Home / 3,207.38-4,811.92-1,358.57

Finding the Fourth Proportional to 3,207.38, 4,811.92 and 1,358.57

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Solution

The fourth proportional to 3,207.38, 4,811.92 and 1,358.57 is: 2,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.38 : 4,811.92 = 1,358.57 : x
  2. Step 2: Convert to fraction form
    3,207.38/4,811.92 = 1,358.57/x
  3. Step 3: Cross multiply
    3,207.38x = 4,811.92 × 1,358.57
  4. Step 4: Simplify right side
    3,207.38x = 6,537,323.36
  5. Step 5: Solve for x
    x = 6,537,323.36/3,207.38
  6. Step 6: Final answer
    x = 2,038.21

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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.