Home / 3,331.08-5,000.76-2,157.24

Finding the Fourth Proportional to 3,331.08, 5,000.76 and 2,157.24

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Solution

The fourth proportional to 3,331.08, 5,000.76 and 2,157.24 is: 3,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.08 : 5,000.76 = 2,157.24 : x
  2. Step 2: Convert to fraction form
    3,331.08/5,000.76 = 2,157.24/x
  3. Step 3: Cross multiply
    3,331.08x = 5,000.76 × 2,157.24
  4. Step 4: Simplify right side
    3,331.08x = 10,787,839.50
  5. Step 5: Solve for x
    x = 10,787,839.50/3,331.08
  6. Step 6: Final answer
    x = 3,238.54

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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.