Home / 3,127.99-4,687.12-1,179.13

Finding the Fourth Proportional to 3,127.99, 4,687.12 and 1,179.13

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Solution

The fourth proportional to 3,127.99, 4,687.12 and 1,179.13 is: 1,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.99 : 4,687.12 = 1,179.13 : x
  2. Step 2: Convert to fraction form
    3,127.99/4,687.12 = 1,179.13/x
  3. Step 3: Cross multiply
    3,127.99x = 4,687.12 × 1,179.13
  4. Step 4: Simplify right side
    3,127.99x = 5,526,723.81
  5. Step 5: Solve for x
    x = 5,526,723.81/3,127.99
  6. Step 6: Final answer
    x = 1,766.86

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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.