Home / 3,143.04-4,717.76-2,165.76

Finding the Fourth Proportional to 3,143.04, 4,717.76 and 2,165.76

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Solution

The fourth proportional to 3,143.04, 4,717.76 and 2,165.76 is: 3,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.04 : 4,717.76 = 2,165.76 : x
  2. Step 2: Convert to fraction form
    3,143.04/4,717.76 = 2,165.76/x
  3. Step 3: Cross multiply
    3,143.04x = 4,717.76 × 2,165.76
  4. Step 4: Simplify right side
    3,143.04x = 10,217,535.90
  5. Step 5: Solve for x
    x = 10,217,535.90/3,143.04
  6. Step 6: Final answer
    x = 3,250.85

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1.5x scale

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.