Home / 3,549.72-4,899.75-2,222.58

Finding the Fourth Proportional to 3,549.72, 4,899.75 and 2,222.58

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Solution

The fourth proportional to 3,549.72, 4,899.75 and 2,222.58 is: 3,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.72 : 4,899.75 = 2,222.58 : x
  2. Step 2: Convert to fraction form
    3,549.72/4,899.75 = 2,222.58/x
  3. Step 3: Cross multiply
    3,549.72x = 4,899.75 × 2,222.58
  4. Step 4: Simplify right side
    3,549.72x = 10,890,086.36
  5. Step 5: Solve for x
    x = 10,890,086.36/3,549.72
  6. Step 6: Final answer
    x = 3,067.87

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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.