Home / 3,766.20-5,649.30-1,169.40

Finding the Fourth Proportional to 3,766.20, 5,649.30 and 1,169.40

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Solution

The fourth proportional to 3,766.20, 5,649.30 and 1,169.40 is: 1,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.20 : 5,649.30 = 1,169.40 : x
  2. Step 2: Convert to fraction form
    3,766.20/5,649.30 = 1,169.40/x
  3. Step 3: Cross multiply
    3,766.20x = 5,649.30 × 1,169.40
  4. Step 4: Simplify right side
    3,766.20x = 6,606,291.42
  5. Step 5: Solve for x
    x = 6,606,291.42/3,766.20
  6. Step 6: Final answer
    x = 1,754.10

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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.