Home / 3,276.92-4,915.98-1,085.66

Finding the Fourth Proportional to 3,276.92, 4,915.98 and 1,085.66

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Solution

The fourth proportional to 3,276.92, 4,915.98 and 1,085.66 is: 1,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.92 : 4,915.98 = 1,085.66 : x
  2. Step 2: Convert to fraction form
    3,276.92/4,915.98 = 1,085.66/x
  3. Step 3: Cross multiply
    3,276.92x = 4,915.98 × 1,085.66
  4. Step 4: Simplify right side
    3,276.92x = 5,337,082.85
  5. Step 5: Solve for x
    x = 5,337,082.85/3,276.92
  6. Step 6: Final answer
    x = 1,628.69

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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.