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Finding the Fourth Proportional to 3,752.76, 5,618.88 and 2,713.80

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Solution

The fourth proportional to 3,752.76, 5,618.88 and 2,713.80 is: 4,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.76 : 5,618.88 = 2,713.80 : x
  2. Step 2: Convert to fraction form
    3,752.76/5,618.88 = 2,713.80/x
  3. Step 3: Cross multiply
    3,752.76x = 5,618.88 × 2,713.80
  4. Step 4: Simplify right side
    3,752.76x = 15,248,516.54
  5. Step 5: Solve for x
    x = 15,248,516.54/3,752.76
  6. Step 6: Final answer
    x = 4,063.28

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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.