Home / 3,632.56-5,447.20-1,439.60

Finding the Fourth Proportional to 3,632.56, 5,447.20 and 1,439.60

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Solution

The fourth proportional to 3,632.56, 5,447.20 and 1,439.60 is: 2,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.56 : 5,447.20 = 1,439.60 : x
  2. Step 2: Convert to fraction form
    3,632.56/5,447.20 = 1,439.60/x
  3. Step 3: Cross multiply
    3,632.56x = 5,447.20 × 1,439.60
  4. Step 4: Simplify right side
    3,632.56x = 7,841,789.12
  5. Step 5: Solve for x
    x = 7,841,789.12/3,632.56
  6. Step 6: Final answer
    x = 2,158.75

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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.