Home / 2,158.29-3,233.09-1,324.30

Finding the Fourth Proportional to 2,158.29, 3,233.09 and 1,324.30

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Solution

The fourth proportional to 2,158.29, 3,233.09 and 1,324.30 is: 1,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.29 : 3,233.09 = 1,324.30 : x
  2. Step 2: Convert to fraction form
    2,158.29/3,233.09 = 1,324.30/x
  3. Step 3: Cross multiply
    2,158.29x = 3,233.09 × 1,324.30
  4. Step 4: Simplify right side
    2,158.29x = 4,281,566.38
  5. Step 5: Solve for x
    x = 4,281,566.38/2,158.29
  6. Step 6: Final answer
    x = 1,983.77

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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.