Home / 2,687.31-4,034.21-1,592.91

Finding the Fourth Proportional to 2,687.31, 4,034.21 and 1,592.91

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Solution

The fourth proportional to 2,687.31, 4,034.21 and 1,592.91 is: 2,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.31 : 4,034.21 = 1,592.91 : x
  2. Step 2: Convert to fraction form
    2,687.31/4,034.21 = 1,592.91/x
  3. Step 3: Cross multiply
    2,687.31x = 4,034.21 × 1,592.91
  4. Step 4: Simplify right side
    2,687.31x = 6,426,125.49
  5. Step 5: Solve for x
    x = 6,426,125.49/2,687.31
  6. Step 6: Final answer
    x = 2,391.29

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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.