Home / 1,488.38-2,233.17-623.30

Finding the Fourth Proportional to 1,488.38, 2,233.17 and 623.30

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Solution

The fourth proportional to 1,488.38, 2,233.17 and 623.30 is: 935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.38 : 2,233.17 = 623.30 : x
  2. Step 2: Convert to fraction form
    1,488.38/2,233.17 = 623.30/x
  3. Step 3: Cross multiply
    1,488.38x = 2,233.17 × 623.30
  4. Step 4: Simplify right side
    1,488.38x = 1,391,923.70
  5. Step 5: Solve for x
    x = 1,391,923.70/1,488.38
  6. Step 6: Final answer
    x = 935.20

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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.