Home / 3,002.38-4,143.27-1,676

Finding the Fourth Proportional to 3,002.38, 4,143.27 and 1,676

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Solution

The fourth proportional to 3,002.38, 4,143.27 and 1,676 is: 2,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.38 : 4,143.27 = 1,676 : x
  2. Step 2: Convert to fraction form
    3,002.38/4,143.27 = 1,676/x
  3. Step 3: Cross multiply
    3,002.38x = 4,143.27 × 1,676
  4. Step 4: Simplify right side
    3,002.38x = 6,944,120.52
  5. Step 5: Solve for x
    x = 6,944,120.52/3,002.38
  6. Step 6: Final answer
    x = 2,312.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.