Home / 3,645.28-5,468.79-1,180.10

Finding the Fourth Proportional to 3,645.28, 5,468.79 and 1,180.10

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Solution

The fourth proportional to 3,645.28, 5,468.79 and 1,180.10 is: 1,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.28 : 5,468.79 = 1,180.10 : x
  2. Step 2: Convert to fraction form
    3,645.28/5,468.79 = 1,180.10/x
  3. Step 3: Cross multiply
    3,645.28x = 5,468.79 × 1,180.10
  4. Step 4: Simplify right side
    3,645.28x = 6,453,685.83
  5. Step 5: Solve for x
    x = 6,453,685.83/3,645.28
  6. Step 6: Final answer
    x = 1,770.42

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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.