Home / 1,240.13-1,853.33-995.51

Finding the Fourth Proportional to 1,240.13, 1,853.33 and 995.51

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Solution

The fourth proportional to 1,240.13, 1,853.33 and 995.51 is: 1,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.13 : 1,853.33 = 995.51 : x
  2. Step 2: Convert to fraction form
    1,240.13/1,853.33 = 995.51/x
  3. Step 3: Cross multiply
    1,240.13x = 1,853.33 × 995.51
  4. Step 4: Simplify right side
    1,240.13x = 1,844,994.30
  5. Step 5: Solve for x
    x = 1,844,994.30/1,240.13
  6. Step 6: Final answer
    x = 1,487.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.