Home / 2,716.02-3,747.94-1,520.87

Finding the Fourth Proportional to 2,716.02, 3,747.94 and 1,520.87

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Solution

The fourth proportional to 2,716.02, 3,747.94 and 1,520.87 is: 2,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.02 : 3,747.94 = 1,520.87 : x
  2. Step 2: Convert to fraction form
    2,716.02/3,747.94 = 1,520.87/x
  3. Step 3: Cross multiply
    2,716.02x = 3,747.94 × 1,520.87
  4. Step 4: Simplify right side
    2,716.02x = 5,700,106.97
  5. Step 5: Solve for x
    x = 5,700,106.97/2,716.02
  6. Step 6: Final answer
    x = 2,098.70

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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.