Home / 2,247.08-3,100.68-1,407.92

Finding the Fourth Proportional to 2,247.08, 3,100.68 and 1,407.92

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Solution

The fourth proportional to 2,247.08, 3,100.68 and 1,407.92 is: 1,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.08 : 3,100.68 = 1,407.92 : x
  2. Step 2: Convert to fraction form
    2,247.08/3,100.68 = 1,407.92/x
  3. Step 3: Cross multiply
    2,247.08x = 3,100.68 × 1,407.92
  4. Step 4: Simplify right side
    2,247.08x = 4,365,493.88
  5. Step 5: Solve for x
    x = 4,365,493.88/2,247.08
  6. Step 6: Final answer
    x = 1,942.75

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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.