Home / 4,031.38-6,046.50-1,257.40

Finding the Fourth Proportional to 4,031.38, 6,046.50 and 1,257.40

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Solution

The fourth proportional to 4,031.38, 6,046.50 and 1,257.40 is: 1,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.38 : 6,046.50 = 1,257.40 : x
  2. Step 2: Convert to fraction form
    4,031.38/6,046.50 = 1,257.40/x
  3. Step 3: Cross multiply
    4,031.38x = 6,046.50 × 1,257.40
  4. Step 4: Simplify right side
    4,031.38x = 7,602,869.10
  5. Step 5: Solve for x
    x = 7,602,869.10/4,031.38
  6. Step 6: Final answer
    x = 1,885.92

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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.