Home / 3,227.58-4,841.64-1,378.71

Finding the Fourth Proportional to 3,227.58, 4,841.64 and 1,378.71

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Solution

The fourth proportional to 3,227.58, 4,841.64 and 1,378.71 is: 2,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.58 : 4,841.64 = 1,378.71 : x
  2. Step 2: Convert to fraction form
    3,227.58/4,841.64 = 1,378.71/x
  3. Step 3: Cross multiply
    3,227.58x = 4,841.64 × 1,378.71
  4. Step 4: Simplify right side
    3,227.58x = 6,675,217.48
  5. Step 5: Solve for x
    x = 6,675,217.48/3,227.58
  6. Step 6: Final answer
    x = 2,068.18

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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.