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Finding the Fourth Proportional to 3,995.13, 5,992.70 and 1,259.13

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Solution

The fourth proportional to 3,995.13, 5,992.70 and 1,259.13 is: 1,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.13 : 5,992.70 = 1,259.13 : x
  2. Step 2: Convert to fraction form
    3,995.13/5,992.70 = 1,259.13/x
  3. Step 3: Cross multiply
    3,995.13x = 5,992.70 × 1,259.13
  4. Step 4: Simplify right side
    3,995.13x = 7,545,588.35
  5. Step 5: Solve for x
    x = 7,545,588.35/3,995.13
  6. Step 6: Final answer
    x = 1,888.70

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.