Home / 1,549.26-2,324.85-1,389.90

Finding the Fourth Proportional to 1,549.26, 2,324.85 and 1,389.90

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Solution

The fourth proportional to 1,549.26, 2,324.85 and 1,389.90 is: 2,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.26 : 2,324.85 = 1,389.90 : x
  2. Step 2: Convert to fraction form
    1,549.26/2,324.85 = 1,389.90/x
  3. Step 3: Cross multiply
    1,549.26x = 2,324.85 × 1,389.90
  4. Step 4: Simplify right side
    1,549.26x = 3,231,309.02
  5. Step 5: Solve for x
    x = 3,231,309.02/1,549.26
  6. Step 6: Final answer
    x = 2,085.71

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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.