Home / 3,817.20-5,695.34-3,263.28

Finding the Fourth Proportional to 3,817.20, 5,695.34 and 3,263.28

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Solution

The fourth proportional to 3,817.20, 5,695.34 and 3,263.28 is: 4,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.20 : 5,695.34 = 3,263.28 : x
  2. Step 2: Convert to fraction form
    3,817.20/5,695.34 = 3,263.28/x
  3. Step 3: Cross multiply
    3,817.20x = 5,695.34 × 3,263.28
  4. Step 4: Simplify right side
    3,817.20x = 18,585,489.12
  5. Step 5: Solve for x
    x = 18,585,489.12/3,817.20
  6. Step 6: Final answer
    x = 4,868.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.