Home / 3,180.72-4,759.56-2,627.76

Finding the Fourth Proportional to 3,180.72, 4,759.56 and 2,627.76

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Solution

The fourth proportional to 3,180.72, 4,759.56 and 2,627.76 is: 3,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.72 : 4,759.56 = 2,627.76 : x
  2. Step 2: Convert to fraction form
    3,180.72/4,759.56 = 2,627.76/x
  3. Step 3: Cross multiply
    3,180.72x = 4,759.56 × 2,627.76
  4. Step 4: Simplify right side
    3,180.72x = 12,506,981.39
  5. Step 5: Solve for x
    x = 12,506,981.39/3,180.72
  6. Step 6: Final answer
    x = 3,932.12

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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.