Home / 2,949.60-4,424.11-1,001.78

Finding the Fourth Proportional to 2,949.60, 4,424.11 and 1,001.78

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Solution

The fourth proportional to 2,949.60, 4,424.11 and 1,001.78 is: 1,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.60 : 4,424.11 = 1,001.78 : x
  2. Step 2: Convert to fraction form
    2,949.60/4,424.11 = 1,001.78/x
  3. Step 3: Cross multiply
    2,949.60x = 4,424.11 × 1,001.78
  4. Step 4: Simplify right side
    2,949.60x = 4,431,960.29
  5. Step 5: Solve for x
    x = 4,431,960.29/2,949.60
  6. Step 6: Final answer
    x = 1,502.56

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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.