Home / 2,540.15-3,497.62-2,223.65

Finding the Fourth Proportional to 2,540.15, 3,497.62 and 2,223.65

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Solution

The fourth proportional to 2,540.15, 3,497.62 and 2,223.65 is: 3,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.15 : 3,497.62 = 2,223.65 : x
  2. Step 2: Convert to fraction form
    2,540.15/3,497.62 = 2,223.65/x
  3. Step 3: Cross multiply
    2,540.15x = 3,497.62 × 2,223.65
  4. Step 4: Simplify right side
    2,540.15x = 7,777,478.73
  5. Step 5: Solve for x
    x = 7,777,478.73/2,540.15
  6. Step 6: Final answer
    x = 3,061.81

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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.