Home / 3,227.61-4,841.75-1,378.92

Finding the Fourth Proportional to 3,227.61, 4,841.75 and 1,378.92

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Solution

The fourth proportional to 3,227.61, 4,841.75 and 1,378.92 is: 2,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.61 : 4,841.75 = 1,378.92 : x
  2. Step 2: Convert to fraction form
    3,227.61/4,841.75 = 1,378.92/x
  3. Step 3: Cross multiply
    3,227.61x = 4,841.75 × 1,378.92
  4. Step 4: Simplify right side
    3,227.61x = 6,676,354.81
  5. Step 5: Solve for x
    x = 6,676,354.81/3,227.61
  6. Step 6: Final answer
    x = 2,068.52

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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.