Home / 3,645.13-5,468.37-1,179.70

Finding the Fourth Proportional to 3,645.13, 5,468.37 and 1,179.70

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Solution

The fourth proportional to 3,645.13, 5,468.37 and 1,179.70 is: 1,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.13 : 5,468.37 = 1,179.70 : x
  2. Step 2: Convert to fraction form
    3,645.13/5,468.37 = 1,179.70/x
  3. Step 3: Cross multiply
    3,645.13x = 5,468.37 × 1,179.70
  4. Step 4: Simplify right side
    3,645.13x = 6,451,036.09
  5. Step 5: Solve for x
    x = 6,451,036.09/3,645.13
  6. Step 6: Final answer
    x = 1,769.77

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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.