Home / 3,142.04-4,712.92-1,499.72

Finding the Fourth Proportional to 3,142.04, 4,712.92 and 1,499.72

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Solution

The fourth proportional to 3,142.04, 4,712.92 and 1,499.72 is: 2,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.04 : 4,712.92 = 1,499.72 : x
  2. Step 2: Convert to fraction form
    3,142.04/4,712.92 = 1,499.72/x
  3. Step 3: Cross multiply
    3,142.04x = 4,712.92 × 1,499.72
  4. Step 4: Simplify right side
    3,142.04x = 7,068,060.38
  5. Step 5: Solve for x
    x = 7,068,060.38/3,142.04
  6. Step 6: Final answer
    x = 2,249.51

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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.