Home / 2,192.49-3,289.28-632.46

Finding the Fourth Proportional to 2,192.49, 3,289.28 and 632.46

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Solution

The fourth proportional to 2,192.49, 3,289.28 and 632.46 is: 948.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.49 : 3,289.28 = 632.46 : x
  2. Step 2: Convert to fraction form
    2,192.49/3,289.28 = 632.46/x
  3. Step 3: Cross multiply
    2,192.49x = 3,289.28 × 632.46
  4. Step 4: Simplify right side
    2,192.49x = 2,080,334.04
  5. Step 5: Solve for x
    x = 2,080,334.04/2,192.49
  6. Step 6: Final answer
    x = 948.84

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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.