Home / 3,517.80-5,266.19-2,126.93

Finding the Fourth Proportional to 3,517.80, 5,266.19 and 2,126.93

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Solution

The fourth proportional to 3,517.80, 5,266.19 and 2,126.93 is: 3,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.80 : 5,266.19 = 2,126.93 : x
  2. Step 2: Convert to fraction form
    3,517.80/5,266.19 = 2,126.93/x
  3. Step 3: Cross multiply
    3,517.80x = 5,266.19 × 2,126.93
  4. Step 4: Simplify right side
    3,517.80x = 11,200,834.93
  5. Step 5: Solve for x
    x = 11,200,834.93/3,517.80
  6. Step 6: Final answer
    x = 3,184.04

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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.