Home / 2,237.40-3,349.90-1,687.92

Finding the Fourth Proportional to 2,237.40, 3,349.90 and 1,687.92

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Solution

The fourth proportional to 2,237.40, 3,349.90 and 1,687.92 is: 2,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.40 : 3,349.90 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    2,237.40/3,349.90 = 1,687.92/x
  3. Step 3: Cross multiply
    2,237.40x = 3,349.90 × 1,687.92
  4. Step 4: Simplify right side
    2,237.40x = 5,654,363.21
  5. Step 5: Solve for x
    x = 5,654,363.21/2,237.40
  6. Step 6: Final answer
    x = 2,527.20

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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.