Home / 2,581.07-3,873.87-1,332.53

Finding the Fourth Proportional to 2,581.07, 3,873.87 and 1,332.53

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Solution

The fourth proportional to 2,581.07, 3,873.87 and 1,332.53 is: 1,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.07 : 3,873.87 = 1,332.53 : x
  2. Step 2: Convert to fraction form
    2,581.07/3,873.87 = 1,332.53/x
  3. Step 3: Cross multiply
    2,581.07x = 3,873.87 × 1,332.53
  4. Step 4: Simplify right side
    2,581.07x = 5,162,028.62
  5. Step 5: Solve for x
    x = 5,162,028.62/2,581.07
  6. Step 6: Final answer
    x = 1,999.95

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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.