Home / 3,563.68-5,321.18-3,191.08

Finding the Fourth Proportional to 3,563.68, 5,321.18 and 3,191.08

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Solution

The fourth proportional to 3,563.68, 5,321.18 and 3,191.08 is: 4,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.68 : 5,321.18 = 3,191.08 : x
  2. Step 2: Convert to fraction form
    3,563.68/5,321.18 = 3,191.08/x
  3. Step 3: Cross multiply
    3,563.68x = 5,321.18 × 3,191.08
  4. Step 4: Simplify right side
    3,563.68x = 16,980,311.07
  5. Step 5: Solve for x
    x = 16,980,311.07/3,563.68
  6. Step 6: Final answer
    x = 4,764.82

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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.