Home / 3,002.34-4,143.15-1,657.87

Finding the Fourth Proportional to 3,002.34, 4,143.15 and 1,657.87

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Solution

The fourth proportional to 3,002.34, 4,143.15 and 1,657.87 is: 2,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.34 : 4,143.15 = 1,657.87 : x
  2. Step 2: Convert to fraction form
    3,002.34/4,143.15 = 1,657.87/x
  3. Step 3: Cross multiply
    3,002.34x = 4,143.15 × 1,657.87
  4. Step 4: Simplify right side
    3,002.34x = 6,868,793.73
  5. Step 5: Solve for x
    x = 6,868,793.73/3,002.34
  6. Step 6: Final answer
    x = 2,287.81

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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.