Home / 2,391.90-3,589.26-1,296.24

Finding the Fourth Proportional to 2,391.90, 3,589.26 and 1,296.24

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Solution

The fourth proportional to 2,391.90, 3,589.26 and 1,296.24 is: 1,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.90 : 3,589.26 = 1,296.24 : x
  2. Step 2: Convert to fraction form
    2,391.90/3,589.26 = 1,296.24/x
  3. Step 3: Cross multiply
    2,391.90x = 3,589.26 × 1,296.24
  4. Step 4: Simplify right side
    2,391.90x = 4,652,542.38
  5. Step 5: Solve for x
    x = 4,652,542.38/2,391.90
  6. Step 6: Final answer
    x = 1,945.12

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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.