Home / 3,508.88-4,841.20-2,721.60

Finding the Fourth Proportional to 3,508.88, 4,841.20 and 2,721.60

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Solution

The fourth proportional to 3,508.88, 4,841.20 and 2,721.60 is: 3,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.88 : 4,841.20 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    3,508.88/4,841.20 = 2,721.60/x
  3. Step 3: Cross multiply
    3,508.88x = 4,841.20 × 2,721.60
  4. Step 4: Simplify right side
    3,508.88x = 13,175,809.92
  5. Step 5: Solve for x
    x = 13,175,809.92/3,508.88
  6. Step 6: Final answer
    x = 3,754.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.