Home / 2,202.40-3,305.76-1,677.52

Finding the Fourth Proportional to 2,202.40, 3,305.76 and 1,677.52

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Solution

The fourth proportional to 2,202.40, 3,305.76 and 1,677.52 is: 2,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.40 : 3,305.76 = 1,677.52 : x
  2. Step 2: Convert to fraction form
    2,202.40/3,305.76 = 1,677.52/x
  3. Step 3: Cross multiply
    2,202.40x = 3,305.76 × 1,677.52
  4. Step 4: Simplify right side
    2,202.40x = 5,545,478.52
  5. Step 5: Solve for x
    x = 5,545,478.52/2,202.40
  6. Step 6: Final answer
    x = 2,517.93

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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.