Home / 4,049.80-5,586.90-2,456.20

Finding the Fourth Proportional to 4,049.80, 5,586.90 and 2,456.20

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Solution

The fourth proportional to 4,049.80, 5,586.90 and 2,456.20 is: 3,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.80 : 5,586.90 = 2,456.20 : x
  2. Step 2: Convert to fraction form
    4,049.80/5,586.90 = 2,456.20/x
  3. Step 3: Cross multiply
    4,049.80x = 5,586.90 × 2,456.20
  4. Step 4: Simplify right side
    4,049.80x = 13,722,543.78
  5. Step 5: Solve for x
    x = 13,722,543.78/4,049.80
  6. Step 6: Final answer
    x = 3,388.45

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Half scale
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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.