Home / 2,272.32-3,408.75-1,177.47

Finding the Fourth Proportional to 2,272.32, 3,408.75 and 1,177.47

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Solution

The fourth proportional to 2,272.32, 3,408.75 and 1,177.47 is: 1,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.32 : 3,408.75 = 1,177.47 : x
  2. Step 2: Convert to fraction form
    2,272.32/3,408.75 = 1,177.47/x
  3. Step 3: Cross multiply
    2,272.32x = 3,408.75 × 1,177.47
  4. Step 4: Simplify right side
    2,272.32x = 4,013,700.86
  5. Step 5: Solve for x
    x = 4,013,700.86/2,272.32
  6. Step 6: Final answer
    x = 1,766.34

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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.