Home / 3,427.86-5,143.19-1,648.04

Finding the Fourth Proportional to 3,427.86, 5,143.19 and 1,648.04

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Solution

The fourth proportional to 3,427.86, 5,143.19 and 1,648.04 is: 2,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.86 : 5,143.19 = 1,648.04 : x
  2. Step 2: Convert to fraction form
    3,427.86/5,143.19 = 1,648.04/x
  3. Step 3: Cross multiply
    3,427.86x = 5,143.19 × 1,648.04
  4. Step 4: Simplify right side
    3,427.86x = 8,476,148.89
  5. Step 5: Solve for x
    x = 8,476,148.89/3,427.86
  6. Step 6: Final answer
    x = 2,472.72

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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.