Home / 2,081.20-3,098.24-2,070.32

Finding the Fourth Proportional to 2,081.20, 3,098.24 and 2,070.32

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Solution

The fourth proportional to 2,081.20, 3,098.24 and 2,070.32 is: 3,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.20 : 3,098.24 = 2,070.32 : x
  2. Step 2: Convert to fraction form
    2,081.20/3,098.24 = 2,070.32/x
  3. Step 3: Cross multiply
    2,081.20x = 3,098.24 × 2,070.32
  4. Step 4: Simplify right side
    2,081.20x = 6,414,348.24
  5. Step 5: Solve for x
    x = 6,414,348.24/2,081.20
  6. Step 6: Final answer
    x = 3,082.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.