Home / 2,288.50-3,432.75-557.13

Finding the Fourth Proportional to 2,288.50, 3,432.75 and 557.13

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Solution

The fourth proportional to 2,288.50, 3,432.75 and 557.13 is: 835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.50 : 3,432.75 = 557.13 : x
  2. Step 2: Convert to fraction form
    2,288.50/3,432.75 = 557.13/x
  3. Step 3: Cross multiply
    2,288.50x = 3,432.75 × 557.13
  4. Step 4: Simplify right side
    2,288.50x = 1,912,488.01
  5. Step 5: Solve for x
    x = 1,912,488.01/2,288.50
  6. Step 6: Final answer
    x = 835.70

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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.