Home / 2,291.24-3,440.62-2,174.38

Finding the Fourth Proportional to 2,291.24, 3,440.62 and 2,174.38

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Solution

The fourth proportional to 2,291.24, 3,440.62 and 2,174.38 is: 3,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.24 : 3,440.62 = 2,174.38 : x
  2. Step 2: Convert to fraction form
    2,291.24/3,440.62 = 2,174.38/x
  3. Step 3: Cross multiply
    2,291.24x = 3,440.62 × 2,174.38
  4. Step 4: Simplify right side
    2,291.24x = 7,481,209.43
  5. Step 5: Solve for x
    x = 7,481,209.43/2,291.24
  6. Step 6: Final answer
    x = 3,265.13

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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.