Home / 3,612.17-5,418.20-1,146.95

Finding the Fourth Proportional to 3,612.17, 5,418.20 and 1,146.95

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Solution

The fourth proportional to 3,612.17, 5,418.20 and 1,146.95 is: 1,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.17 : 5,418.20 = 1,146.95 : x
  2. Step 2: Convert to fraction form
    3,612.17/5,418.20 = 1,146.95/x
  3. Step 3: Cross multiply
    3,612.17x = 5,418.20 × 1,146.95
  4. Step 4: Simplify right side
    3,612.17x = 6,214,391.98
  5. Step 5: Solve for x
    x = 6,214,391.98/3,612.17
  6. Step 6: Final answer
    x = 1,720.41

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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.