Home / 4,015.74-5,542.38-2,247.78

Finding the Fourth Proportional to 4,015.74, 5,542.38 and 2,247.78

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Solution

The fourth proportional to 4,015.74, 5,542.38 and 2,247.78 is: 3,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.74 : 5,542.38 = 2,247.78 : x
  2. Step 2: Convert to fraction form
    4,015.74/5,542.38 = 2,247.78/x
  3. Step 3: Cross multiply
    4,015.74x = 5,542.38 × 2,247.78
  4. Step 4: Simplify right side
    4,015.74x = 12,458,050.92
  5. Step 5: Solve for x
    x = 12,458,050.92/4,015.74
  6. Step 6: Final answer
    x = 3,102.31

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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.