Home / 3,652.38-5,480.15-1,187.96

Finding the Fourth Proportional to 3,652.38, 5,480.15 and 1,187.96

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Solution

The fourth proportional to 3,652.38, 5,480.15 and 1,187.96 is: 1,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.38 : 5,480.15 = 1,187.96 : x
  2. Step 2: Convert to fraction form
    3,652.38/5,480.15 = 1,187.96/x
  3. Step 3: Cross multiply
    3,652.38x = 5,480.15 × 1,187.96
  4. Step 4: Simplify right side
    3,652.38x = 6,510,165.65
  5. Step 5: Solve for x
    x = 6,510,165.65/3,652.38
  6. Step 6: Final answer
    x = 1,782.44

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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.