Home / 3,499.12-5,247.24-1,649.80

Finding the Fourth Proportional to 3,499.12, 5,247.24 and 1,649.80

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Solution

The fourth proportional to 3,499.12, 5,247.24 and 1,649.80 is: 2,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.12 : 5,247.24 = 1,649.80 : x
  2. Step 2: Convert to fraction form
    3,499.12/5,247.24 = 1,649.80/x
  3. Step 3: Cross multiply
    3,499.12x = 5,247.24 × 1,649.80
  4. Step 4: Simplify right side
    3,499.12x = 8,656,896.55
  5. Step 5: Solve for x
    x = 8,656,896.55/3,499.12
  6. Step 6: Final answer
    x = 2,474.02

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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.