Home / 3,718.16-5,131.11-2,039.73

Finding the Fourth Proportional to 3,718.16, 5,131.11 and 2,039.73

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Solution

The fourth proportional to 3,718.16, 5,131.11 and 2,039.73 is: 2,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.16 : 5,131.11 = 2,039.73 : x
  2. Step 2: Convert to fraction form
    3,718.16/5,131.11 = 2,039.73/x
  3. Step 3: Cross multiply
    3,718.16x = 5,131.11 × 2,039.73
  4. Step 4: Simplify right side
    3,718.16x = 10,466,079.00
  5. Step 5: Solve for x
    x = 10,466,079.00/3,718.16
  6. Step 6: Final answer
    x = 2,814.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.