Home / 3,854.17-5,781.21-1,547.29

Finding the Fourth Proportional to 3,854.17, 5,781.21 and 1,547.29

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Solution

The fourth proportional to 3,854.17, 5,781.21 and 1,547.29 is: 2,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.17 : 5,781.21 = 1,547.29 : x
  2. Step 2: Convert to fraction form
    3,854.17/5,781.21 = 1,547.29/x
  3. Step 3: Cross multiply
    3,854.17x = 5,781.21 × 1,547.29
  4. Step 4: Simplify right side
    3,854.17x = 8,945,208.42
  5. Step 5: Solve for x
    x = 8,945,208.42/3,854.17
  6. Step 6: Final answer
    x = 2,320.92

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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.