Home / 2,641.44-3,938.91-2,456.76

Finding the Fourth Proportional to 2,641.44, 3,938.91 and 2,456.76

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Solution

The fourth proportional to 2,641.44, 3,938.91 and 2,456.76 is: 3,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.44 : 3,938.91 = 2,456.76 : x
  2. Step 2: Convert to fraction form
    2,641.44/3,938.91 = 2,456.76/x
  3. Step 3: Cross multiply
    2,641.44x = 3,938.91 × 2,456.76
  4. Step 4: Simplify right side
    2,641.44x = 9,676,956.53
  5. Step 5: Solve for x
    x = 9,676,956.53/2,641.44
  6. Step 6: Final answer
    x = 3,663.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.