Home / 2,082.68-2,874.14-1,151.18

Finding the Fourth Proportional to 2,082.68, 2,874.14 and 1,151.18

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Solution

The fourth proportional to 2,082.68, 2,874.14 and 1,151.18 is: 1,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.68 : 2,874.14 = 1,151.18 : x
  2. Step 2: Convert to fraction form
    2,082.68/2,874.14 = 1,151.18/x
  3. Step 3: Cross multiply
    2,082.68x = 2,874.14 × 1,151.18
  4. Step 4: Simplify right side
    2,082.68x = 3,308,652.49
  5. Step 5: Solve for x
    x = 3,308,652.49/2,082.68
  6. Step 6: Final answer
    x = 1,588.65

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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.