Home / 1,587.61-2,381.99-710.04

Finding the Fourth Proportional to 1,587.61, 2,381.99 and 710.04

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Solution

The fourth proportional to 1,587.61, 2,381.99 and 710.04 is: 1,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.61 : 2,381.99 = 710.04 : x
  2. Step 2: Convert to fraction form
    1,587.61/2,381.99 = 710.04/x
  3. Step 3: Cross multiply
    1,587.61x = 2,381.99 × 710.04
  4. Step 4: Simplify right side
    1,587.61x = 1,691,304.63
  5. Step 5: Solve for x
    x = 1,691,304.63/1,587.61
  6. Step 6: Final answer
    x = 1,065.31

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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.