Home / 3,209.60-4,805.76-2,329.58

Finding the Fourth Proportional to 3,209.60, 4,805.76 and 2,329.58

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Solution

The fourth proportional to 3,209.60, 4,805.76 and 2,329.58 is: 3,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.60 : 4,805.76 = 2,329.58 : x
  2. Step 2: Convert to fraction form
    3,209.60/4,805.76 = 2,329.58/x
  3. Step 3: Cross multiply
    3,209.60x = 4,805.76 × 2,329.58
  4. Step 4: Simplify right side
    3,209.60x = 11,195,402.38
  5. Step 5: Solve for x
    x = 11,195,402.38/3,209.60
  6. Step 6: Final answer
    x = 3,488.10

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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.