Home / 2,716.76-4,079.12-1,681.17

Finding the Fourth Proportional to 2,716.76, 4,079.12 and 1,681.17

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Solution

The fourth proportional to 2,716.76, 4,079.12 and 1,681.17 is: 2,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.76 : 4,079.12 = 1,681.17 : x
  2. Step 2: Convert to fraction form
    2,716.76/4,079.12 = 1,681.17/x
  3. Step 3: Cross multiply
    2,716.76x = 4,079.12 × 1,681.17
  4. Step 4: Simplify right side
    2,716.76x = 6,857,685.76
  5. Step 5: Solve for x
    x = 6,857,685.76/2,716.76
  6. Step 6: Final answer
    x = 2,524.22

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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.