Home / 2,024.38-3,036.52-637.78

Finding the Fourth Proportional to 2,024.38, 3,036.52 and 637.78

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Solution

The fourth proportional to 2,024.38, 3,036.52 and 637.78 is: 956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.38 : 3,036.52 = 637.78 : x
  2. Step 2: Convert to fraction form
    2,024.38/3,036.52 = 637.78/x
  3. Step 3: Cross multiply
    2,024.38x = 3,036.52 × 637.78
  4. Step 4: Simplify right side
    2,024.38x = 1,936,631.73
  5. Step 5: Solve for x
    x = 1,936,631.73/2,024.38
  6. Step 6: Final answer
    x = 956.65

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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.