Home / 3,405.36-5,098.20-1,995.51

Finding the Fourth Proportional to 3,405.36, 5,098.20 and 1,995.51

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Solution

The fourth proportional to 3,405.36, 5,098.20 and 1,995.51 is: 2,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.36 : 5,098.20 = 1,995.51 : x
  2. Step 2: Convert to fraction form
    3,405.36/5,098.20 = 1,995.51/x
  3. Step 3: Cross multiply
    3,405.36x = 5,098.20 × 1,995.51
  4. Step 4: Simplify right side
    3,405.36x = 10,173,509.08
  5. Step 5: Solve for x
    x = 10,173,509.08/3,405.36
  6. Step 6: Final answer
    x = 2,987.50

Related Problems

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Half scale
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Double scale
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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.