Home / 3,766.20-5,649.30-2,381.10

Finding the Fourth Proportional to 3,766.20, 5,649.30 and 2,381.10

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Solution

The fourth proportional to 3,766.20, 5,649.30 and 2,381.10 is: 3,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.20 : 5,649.30 = 2,381.10 : x
  2. Step 2: Convert to fraction form
    3,766.20/5,649.30 = 2,381.10/x
  3. Step 3: Cross multiply
    3,766.20x = 5,649.30 × 2,381.10
  4. Step 4: Simplify right side
    3,766.20x = 13,451,548.23
  5. Step 5: Solve for x
    x = 13,451,548.23/3,766.20
  6. Step 6: Final answer
    x = 3,571.65

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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.