Home / 3,279.11-4,916.34-1,523.12

Finding the Fourth Proportional to 3,279.11, 4,916.34 and 1,523.12

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Solution

The fourth proportional to 3,279.11, 4,916.34 and 1,523.12 is: 2,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.11 : 4,916.34 = 1,523.12 : x
  2. Step 2: Convert to fraction form
    3,279.11/4,916.34 = 1,523.12/x
  3. Step 3: Cross multiply
    3,279.11x = 4,916.34 × 1,523.12
  4. Step 4: Simplify right side
    3,279.11x = 7,488,151.20
  5. Step 5: Solve for x
    x = 7,488,151.20/3,279.11
  6. Step 6: Final answer
    x = 2,283.60

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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.