Home / 3,207.32-4,811.22-1,127.48

Finding the Fourth Proportional to 3,207.32, 4,811.22 and 1,127.48

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Solution

The fourth proportional to 3,207.32, 4,811.22 and 1,127.48 is: 1,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.32 : 4,811.22 = 1,127.48 : x
  2. Step 2: Convert to fraction form
    3,207.32/4,811.22 = 1,127.48/x
  3. Step 3: Cross multiply
    3,207.32x = 4,811.22 × 1,127.48
  4. Step 4: Simplify right side
    3,207.32x = 5,424,554.33
  5. Step 5: Solve for x
    x = 5,424,554.33/3,207.32
  6. Step 6: Final answer
    x = 1,691.30

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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.