Home / 3,143.19-4,711.68-1,757.70

Finding the Fourth Proportional to 3,143.19, 4,711.68 and 1,757.70

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Solution

The fourth proportional to 3,143.19, 4,711.68 and 1,757.70 is: 2,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.19 : 4,711.68 = 1,757.70 : x
  2. Step 2: Convert to fraction form
    3,143.19/4,711.68 = 1,757.70/x
  3. Step 3: Cross multiply
    3,143.19x = 4,711.68 × 1,757.70
  4. Step 4: Simplify right side
    3,143.19x = 8,281,719.94
  5. Step 5: Solve for x
    x = 8,281,719.94/3,143.19
  6. Step 6: Final answer
    x = 2,634.81

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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.