Home / 2,521.71-3,781.96-1,547.28

Finding the Fourth Proportional to 2,521.71, 3,781.96 and 1,547.28

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Solution

The fourth proportional to 2,521.71, 3,781.96 and 1,547.28 is: 2,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.71 : 3,781.96 = 1,547.28 : x
  2. Step 2: Convert to fraction form
    2,521.71/3,781.96 = 1,547.28/x
  3. Step 3: Cross multiply
    2,521.71x = 3,781.96 × 1,547.28
  4. Step 4: Simplify right side
    2,521.71x = 5,851,747.20
  5. Step 5: Solve for x
    x = 5,851,747.20/2,521.71
  6. Step 6: Final answer
    x = 2,320.55

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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.