Home / 3,341.60-4,609.68-2,278.88

Finding the Fourth Proportional to 3,341.60, 4,609.68 and 2,278.88

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Solution

The fourth proportional to 3,341.60, 4,609.68 and 2,278.88 is: 3,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.60 : 4,609.68 = 2,278.88 : x
  2. Step 2: Convert to fraction form
    3,341.60/4,609.68 = 2,278.88/x
  3. Step 3: Cross multiply
    3,341.60x = 4,609.68 × 2,278.88
  4. Step 4: Simplify right side
    3,341.60x = 10,504,907.56
  5. Step 5: Solve for x
    x = 10,504,907.56/3,341.60
  6. Step 6: Final answer
    x = 3,143.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.