Home / 1,632.60-2,449.20-766.92

Finding the Fourth Proportional to 1,632.60, 2,449.20 and 766.92

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Solution

The fourth proportional to 1,632.60, 2,449.20 and 766.92 is: 1,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.60 : 2,449.20 = 766.92 : x
  2. Step 2: Convert to fraction form
    1,632.60/2,449.20 = 766.92/x
  3. Step 3: Cross multiply
    1,632.60x = 2,449.20 × 766.92
  4. Step 4: Simplify right side
    1,632.60x = 1,878,340.46
  5. Step 5: Solve for x
    x = 1,878,340.46/1,632.60
  6. Step 6: Final answer
    x = 1,150.52

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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.