Home / 3,227.60-4,841.70-1,147.40

Finding the Fourth Proportional to 3,227.60, 4,841.70 and 1,147.40

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Solution

The fourth proportional to 3,227.60, 4,841.70 and 1,147.40 is: 1,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.60 : 4,841.70 = 1,147.40 : x
  2. Step 2: Convert to fraction form
    3,227.60/4,841.70 = 1,147.40/x
  3. Step 3: Cross multiply
    3,227.60x = 4,841.70 × 1,147.40
  4. Step 4: Simplify right side
    3,227.60x = 5,555,366.58
  5. Step 5: Solve for x
    x = 5,555,366.58/3,227.60
  6. Step 6: Final answer
    x = 1,721.21

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1.5x scale

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.