Home / 2,247.89-3,102.32-1,351.92

Finding the Fourth Proportional to 2,247.89, 3,102.32 and 1,351.92

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Solution

The fourth proportional to 2,247.89, 3,102.32 and 1,351.92 is: 1,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.89 : 3,102.32 = 1,351.92 : x
  2. Step 2: Convert to fraction form
    2,247.89/3,102.32 = 1,351.92/x
  3. Step 3: Cross multiply
    2,247.89x = 3,102.32 × 1,351.92
  4. Step 4: Simplify right side
    2,247.89x = 4,194,103.47
  5. Step 5: Solve for x
    x = 4,194,103.47/2,247.89
  6. Step 6: Final answer
    x = 1,865.79

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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.