Home / 2,581.95-3,867.66-1,849.71

Finding the Fourth Proportional to 2,581.95, 3,867.66 and 1,849.71

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Solution

The fourth proportional to 2,581.95, 3,867.66 and 1,849.71 is: 2,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.95 : 3,867.66 = 1,849.71 : x
  2. Step 2: Convert to fraction form
    2,581.95/3,867.66 = 1,849.71/x
  3. Step 3: Cross multiply
    2,581.95x = 3,867.66 × 1,849.71
  4. Step 4: Simplify right side
    2,581.95x = 7,154,049.38
  5. Step 5: Solve for x
    x = 7,154,049.38/2,581.95
  6. Step 6: Final answer
    x = 2,770.79

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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.