Home / 3,391.15-5,082.82-1,310.24

Finding the Fourth Proportional to 3,391.15, 5,082.82 and 1,310.24

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Solution

The fourth proportional to 3,391.15, 5,082.82 and 1,310.24 is: 1,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.15 : 5,082.82 = 1,310.24 : x
  2. Step 2: Convert to fraction form
    3,391.15/5,082.82 = 1,310.24/x
  3. Step 3: Cross multiply
    3,391.15x = 5,082.82 × 1,310.24
  4. Step 4: Simplify right side
    3,391.15x = 6,659,714.08
  5. Step 5: Solve for x
    x = 6,659,714.08/3,391.15
  6. Step 6: Final answer
    x = 1,963.85

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1.5x scale

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.