Home / 2,632.17-3,938.54-2,165.61

Finding the Fourth Proportional to 2,632.17, 3,938.54 and 2,165.61

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Solution

The fourth proportional to 2,632.17, 3,938.54 and 2,165.61 is: 3,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.17 : 3,938.54 = 2,165.61 : x
  2. Step 2: Convert to fraction form
    2,632.17/3,938.54 = 2,165.61/x
  3. Step 3: Cross multiply
    2,632.17x = 3,938.54 × 2,165.61
  4. Step 4: Simplify right side
    2,632.17x = 8,529,330.78
  5. Step 5: Solve for x
    x = 8,529,330.78/2,632.17
  6. Step 6: Final answer
    x = 3,240.42

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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.