Home / 3,621.27-5,431.35-3,008.91

Finding the Fourth Proportional to 3,621.27, 5,431.35 and 3,008.91

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Solution

The fourth proportional to 3,621.27, 5,431.35 and 3,008.91 is: 4,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.27 : 5,431.35 = 3,008.91 : x
  2. Step 2: Convert to fraction form
    3,621.27/5,431.35 = 3,008.91/x
  3. Step 3: Cross multiply
    3,621.27x = 5,431.35 × 3,008.91
  4. Step 4: Simplify right side
    3,621.27x = 16,342,443.33
  5. Step 5: Solve for x
    x = 16,342,443.33/3,621.27
  6. Step 6: Final answer
    x = 4,512.90

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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.