Home / 3,014.17-4,521.45-822.71

Finding the Fourth Proportional to 3,014.17, 4,521.45 and 822.71

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Solution

The fourth proportional to 3,014.17, 4,521.45 and 822.71 is: 1,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.17 : 4,521.45 = 822.71 : x
  2. Step 2: Convert to fraction form
    3,014.17/4,521.45 = 822.71/x
  3. Step 3: Cross multiply
    3,014.17x = 4,521.45 × 822.71
  4. Step 4: Simplify right side
    3,014.17x = 3,719,842.13
  5. Step 5: Solve for x
    x = 3,719,842.13/3,014.17
  6. Step 6: Final answer
    x = 1,234.12

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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.