Home / 3,193.20-4,412.70-2,405.88

Finding the Fourth Proportional to 3,193.20, 4,412.70 and 2,405.88

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Solution

The fourth proportional to 3,193.20, 4,412.70 and 2,405.88 is: 3,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.20 : 4,412.70 = 2,405.88 : x
  2. Step 2: Convert to fraction form
    3,193.20/4,412.70 = 2,405.88/x
  3. Step 3: Cross multiply
    3,193.20x = 4,412.70 × 2,405.88
  4. Step 4: Simplify right side
    3,193.20x = 10,616,426.68
  5. Step 5: Solve for x
    x = 10,616,426.68/3,193.20
  6. Step 6: Final answer
    x = 3,324.70

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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.