Home / 2,249.37-3,372.98-1,275.21

Finding the Fourth Proportional to 2,249.37, 3,372.98 and 1,275.21

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Solution

The fourth proportional to 2,249.37, 3,372.98 and 1,275.21 is: 1,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.37 : 3,372.98 = 1,275.21 : x
  2. Step 2: Convert to fraction form
    2,249.37/3,372.98 = 1,275.21/x
  3. Step 3: Cross multiply
    2,249.37x = 3,372.98 × 1,275.21
  4. Step 4: Simplify right side
    2,249.37x = 4,301,251.45
  5. Step 5: Solve for x
    x = 4,301,251.45/2,249.37
  6. Step 6: Final answer
    x = 1,912.20

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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.