Home / 4,081.20-5,630.25-2,487.24

Finding the Fourth Proportional to 4,081.20, 5,630.25 and 2,487.24

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Solution

The fourth proportional to 4,081.20, 5,630.25 and 2,487.24 is: 3,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.20 : 5,630.25 = 2,487.24 : x
  2. Step 2: Convert to fraction form
    4,081.20/5,630.25 = 2,487.24/x
  3. Step 3: Cross multiply
    4,081.20x = 5,630.25 × 2,487.24
  4. Step 4: Simplify right side
    4,081.20x = 14,003,783.01
  5. Step 5: Solve for x
    x = 14,003,783.01/4,081.20
  6. Step 6: Final answer
    x = 3,431.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.