Home / 3,600.28-5,388.90-3,079.32

Finding the Fourth Proportional to 3,600.28, 5,388.90 and 3,079.32

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Solution

The fourth proportional to 3,600.28, 5,388.90 and 3,079.32 is: 4,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.28 : 5,388.90 = 3,079.32 : x
  2. Step 2: Convert to fraction form
    3,600.28/5,388.90 = 3,079.32/x
  3. Step 3: Cross multiply
    3,600.28x = 5,388.90 × 3,079.32
  4. Step 4: Simplify right side
    3,600.28x = 16,594,147.55
  5. Step 5: Solve for x
    x = 16,594,147.55/3,600.28
  6. Step 6: Final answer
    x = 4,609.13

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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.