Home / 2,232.42-3,079.92-1,347.90

Finding the Fourth Proportional to 2,232.42, 3,079.92 and 1,347.90

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Solution

The fourth proportional to 2,232.42, 3,079.92 and 1,347.90 is: 1,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.42 : 3,079.92 = 1,347.90 : x
  2. Step 2: Convert to fraction form
    2,232.42/3,079.92 = 1,347.90/x
  3. Step 3: Cross multiply
    2,232.42x = 3,079.92 × 1,347.90
  4. Step 4: Simplify right side
    2,232.42x = 4,151,424.17
  5. Step 5: Solve for x
    x = 4,151,424.17/2,232.42
  6. Step 6: Final answer
    x = 1,859.61

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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.