Home / 2,210.31-3,049.20-1,324.57

Finding the Fourth Proportional to 2,210.31, 3,049.20 and 1,324.57

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Solution

The fourth proportional to 2,210.31, 3,049.20 and 1,324.57 is: 1,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.31 : 3,049.20 = 1,324.57 : x
  2. Step 2: Convert to fraction form
    2,210.31/3,049.20 = 1,324.57/x
  3. Step 3: Cross multiply
    2,210.31x = 3,049.20 × 1,324.57
  4. Step 4: Simplify right side
    2,210.31x = 4,038,882.66
  5. Step 5: Solve for x
    x = 4,038,882.66/2,210.31
  6. Step 6: Final answer
    x = 1,827.30

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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.