Home / 3,230.31-4,456.20-2,049.51

Finding the Fourth Proportional to 3,230.31, 4,456.20 and 2,049.51

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Solution

The fourth proportional to 3,230.31, 4,456.20 and 2,049.51 is: 2,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.31 : 4,456.20 = 2,049.51 : x
  2. Step 2: Convert to fraction form
    3,230.31/4,456.20 = 2,049.51/x
  3. Step 3: Cross multiply
    3,230.31x = 4,456.20 × 2,049.51
  4. Step 4: Simplify right side
    3,230.31x = 9,133,026.46
  5. Step 5: Solve for x
    x = 9,133,026.46/3,230.31
  6. Step 6: Final answer
    x = 2,827.29

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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.