Home / 2,082.02-3,115.10-1,158.30

Finding the Fourth Proportional to 2,082.02, 3,115.10 and 1,158.30

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Solution

The fourth proportional to 2,082.02, 3,115.10 and 1,158.30 is: 1,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.02 : 3,115.10 = 1,158.30 : x
  2. Step 2: Convert to fraction form
    2,082.02/3,115.10 = 1,158.30/x
  3. Step 3: Cross multiply
    2,082.02x = 3,115.10 × 1,158.30
  4. Step 4: Simplify right side
    2,082.02x = 3,608,220.33
  5. Step 5: Solve for x
    x = 3,608,220.33/2,082.02
  6. Step 6: Final answer
    x = 1,733.04

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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.