Home / 3,552.40-4,902.78-2,040.55

Finding the Fourth Proportional to 3,552.40, 4,902.78 and 2,040.55

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Solution

The fourth proportional to 3,552.40, 4,902.78 and 2,040.55 is: 2,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.40 : 4,902.78 = 2,040.55 : x
  2. Step 2: Convert to fraction form
    3,552.40/4,902.78 = 2,040.55/x
  3. Step 3: Cross multiply
    3,552.40x = 4,902.78 × 2,040.55
  4. Step 4: Simplify right side
    3,552.40x = 10,004,367.73
  5. Step 5: Solve for x
    x = 10,004,367.73/3,552.40
  6. Step 6: Final answer
    x = 2,816.23

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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.