Home / 1,952.01-2,929.17-720.29

Finding the Fourth Proportional to 1,952.01, 2,929.17 and 720.29

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Solution

The fourth proportional to 1,952.01, 2,929.17 and 720.29 is: 1,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.01 : 2,929.17 = 720.29 : x
  2. Step 2: Convert to fraction form
    1,952.01/2,929.17 = 720.29/x
  3. Step 3: Cross multiply
    1,952.01x = 2,929.17 × 720.29
  4. Step 4: Simplify right side
    1,952.01x = 2,109,851.86
  5. Step 5: Solve for x
    x = 2,109,851.86/1,952.01
  6. Step 6: Final answer
    x = 1,080.86

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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.