Home / 3,748.20-5,620.68-2,883.12

Finding the Fourth Proportional to 3,748.20, 5,620.68 and 2,883.12

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Solution

The fourth proportional to 3,748.20, 5,620.68 and 2,883.12 is: 4,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.20 : 5,620.68 = 2,883.12 : x
  2. Step 2: Convert to fraction form
    3,748.20/5,620.68 = 2,883.12/x
  3. Step 3: Cross multiply
    3,748.20x = 5,620.68 × 2,883.12
  4. Step 4: Simplify right side
    3,748.20x = 16,205,094.92
  5. Step 5: Solve for x
    x = 16,205,094.92/3,748.20
  6. Step 6: Final answer
    x = 4,323.43

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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.