Home / 3,629.80-5,444.70-1,164.79

Finding the Fourth Proportional to 3,629.80, 5,444.70 and 1,164.79

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Solution

The fourth proportional to 3,629.80, 5,444.70 and 1,164.79 is: 1,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.80 : 5,444.70 = 1,164.79 : x
  2. Step 2: Convert to fraction form
    3,629.80/5,444.70 = 1,164.79/x
  3. Step 3: Cross multiply
    3,629.80x = 5,444.70 × 1,164.79
  4. Step 4: Simplify right side
    3,629.80x = 6,341,932.11
  5. Step 5: Solve for x
    x = 6,341,932.11/3,629.80
  6. Step 6: Final answer
    x = 1,747.19

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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.