Home / 3,652.38-5,479.29-1,187.04

Finding the Fourth Proportional to 3,652.38, 5,479.29 and 1,187.04

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Solution

The fourth proportional to 3,652.38, 5,479.29 and 1,187.04 is: 1,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.38 : 5,479.29 = 1,187.04 : x
  2. Step 2: Convert to fraction form
    3,652.38/5,479.29 = 1,187.04/x
  3. Step 3: Cross multiply
    3,652.38x = 5,479.29 × 1,187.04
  4. Step 4: Simplify right side
    3,652.38x = 6,504,136.40
  5. Step 5: Solve for x
    x = 6,504,136.40/3,652.38
  6. Step 6: Final answer
    x = 1,780.79

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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.