Home / 2,545.68-3,816.12-1,082.88

Finding the Fourth Proportional to 2,545.68, 3,816.12 and 1,082.88

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Solution

The fourth proportional to 2,545.68, 3,816.12 and 1,082.88 is: 1,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.68 : 3,816.12 = 1,082.88 : x
  2. Step 2: Convert to fraction form
    2,545.68/3,816.12 = 1,082.88/x
  3. Step 3: Cross multiply
    2,545.68x = 3,816.12 × 1,082.88
  4. Step 4: Simplify right side
    2,545.68x = 4,132,400.03
  5. Step 5: Solve for x
    x = 4,132,400.03/2,545.68
  6. Step 6: Final answer
    x = 1,623.30

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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.