Home / 2,891.29-4,337.40-1,248.34

Finding the Fourth Proportional to 2,891.29, 4,337.40 and 1,248.34

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Solution

The fourth proportional to 2,891.29, 4,337.40 and 1,248.34 is: 1,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.29 : 4,337.40 = 1,248.34 : x
  2. Step 2: Convert to fraction form
    2,891.29/4,337.40 = 1,248.34/x
  3. Step 3: Cross multiply
    2,891.29x = 4,337.40 × 1,248.34
  4. Step 4: Simplify right side
    2,891.29x = 5,414,549.92
  5. Step 5: Solve for x
    x = 5,414,549.92/2,891.29
  6. Step 6: Final answer
    x = 1,872.71

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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.