Home / 3,200.33-4,801.32-979.11

Finding the Fourth Proportional to 3,200.33, 4,801.32 and 979.11

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Solution

The fourth proportional to 3,200.33, 4,801.32 and 979.11 is: 1,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.33 : 4,801.32 = 979.11 : x
  2. Step 2: Convert to fraction form
    3,200.33/4,801.32 = 979.11/x
  3. Step 3: Cross multiply
    3,200.33x = 4,801.32 × 979.11
  4. Step 4: Simplify right side
    3,200.33x = 4,701,020.43
  5. Step 5: Solve for x
    x = 4,701,020.43/3,200.33
  6. Step 6: Final answer
    x = 1,468.92

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1.5x scale

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.