Home / 2,716.79-4,077.17-1,237.68

Finding the Fourth Proportional to 2,716.79, 4,077.17 and 1,237.68

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Solution

The fourth proportional to 2,716.79, 4,077.17 and 1,237.68 is: 1,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.79 : 4,077.17 = 1,237.68 : x
  2. Step 2: Convert to fraction form
    2,716.79/4,077.17 = 1,237.68/x
  3. Step 3: Cross multiply
    2,716.79x = 4,077.17 × 1,237.68
  4. Step 4: Simplify right side
    2,716.79x = 5,046,253.52
  5. Step 5: Solve for x
    x = 5,046,253.52/2,716.79
  6. Step 6: Final answer
    x = 1,857.43

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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.