Home / 3,014.20-4,521.30-823.15

Finding the Fourth Proportional to 3,014.20, 4,521.30 and 823.15

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Solution

The fourth proportional to 3,014.20, 4,521.30 and 823.15 is: 1,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.20 : 4,521.30 = 823.15 : x
  2. Step 2: Convert to fraction form
    3,014.20/4,521.30 = 823.15/x
  3. Step 3: Cross multiply
    3,014.20x = 4,521.30 × 823.15
  4. Step 4: Simplify right side
    3,014.20x = 3,721,708.10
  5. Step 5: Solve for x
    x = 3,721,708.10/3,014.20
  6. Step 6: Final answer
    x = 1,234.73

Related Problems

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Similar ratio
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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.