Home / 2,716.18-4,073.80-767.92

Finding the Fourth Proportional to 2,716.18, 4,073.80 and 767.92

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Solution

The fourth proportional to 2,716.18, 4,073.80 and 767.92 is: 1,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.18 : 4,073.80 = 767.92 : x
  2. Step 2: Convert to fraction form
    2,716.18/4,073.80 = 767.92/x
  3. Step 3: Cross multiply
    2,716.18x = 4,073.80 × 767.92
  4. Step 4: Simplify right side
    2,716.18x = 3,128,352.50
  5. Step 5: Solve for x
    x = 3,128,352.50/2,716.18
  6. Step 6: Final answer
    x = 1,151.75

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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.