Home / 3,151.46-4,710.20-2,753.04

Finding the Fourth Proportional to 3,151.46, 4,710.20 and 2,753.04

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Solution

The fourth proportional to 3,151.46, 4,710.20 and 2,753.04 is: 4,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.46 : 4,710.20 = 2,753.04 : x
  2. Step 2: Convert to fraction form
    3,151.46/4,710.20 = 2,753.04/x
  3. Step 3: Cross multiply
    3,151.46x = 4,710.20 × 2,753.04
  4. Step 4: Simplify right side
    3,151.46x = 12,967,369.01
  5. Step 5: Solve for x
    x = 12,967,369.01/3,151.46
  6. Step 6: Final answer
    x = 4,114.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.