Home / 2,082.54-2,873.91-1,125.45

Finding the Fourth Proportional to 2,082.54, 2,873.91 and 1,125.45

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Solution

The fourth proportional to 2,082.54, 2,873.91 and 1,125.45 is: 1,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.54 : 2,873.91 = 1,125.45 : x
  2. Step 2: Convert to fraction form
    2,082.54/2,873.91 = 1,125.45/x
  3. Step 3: Cross multiply
    2,082.54x = 2,873.91 × 1,125.45
  4. Step 4: Simplify right side
    2,082.54x = 3,234,436.38
  5. Step 5: Solve for x
    x = 3,234,436.38/2,082.54
  6. Step 6: Final answer
    x = 1,553.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.