Home / 2,192.26-3,288.14-632.40

Finding the Fourth Proportional to 2,192.26, 3,288.14 and 632.40

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Solution

The fourth proportional to 2,192.26, 3,288.14 and 632.40 is: 948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.26 : 3,288.14 = 632.40 : x
  2. Step 2: Convert to fraction form
    2,192.26/3,288.14 = 632.40/x
  3. Step 3: Cross multiply
    2,192.26x = 3,288.14 × 632.40
  4. Step 4: Simplify right side
    2,192.26x = 2,079,419.74
  5. Step 5: Solve for x
    x = 2,079,419.74/2,192.26
  6. Step 6: Final answer
    x = 948.53

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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.