Home / 3,441.20-4,748.96-1,949.20

Finding the Fourth Proportional to 3,441.20, 4,748.96 and 1,949.20

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Solution

The fourth proportional to 3,441.20, 4,748.96 and 1,949.20 is: 2,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.20 : 4,748.96 = 1,949.20 : x
  2. Step 2: Convert to fraction form
    3,441.20/4,748.96 = 1,949.20/x
  3. Step 3: Cross multiply
    3,441.20x = 4,748.96 × 1,949.20
  4. Step 4: Simplify right side
    3,441.20x = 9,256,672.83
  5. Step 5: Solve for x
    x = 9,256,672.83/3,441.20
  6. Step 6: Final answer
    x = 2,689.95

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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.