Home / 2,173.52-3,257.21-1,249.36

Finding the Fourth Proportional to 2,173.52, 3,257.21 and 1,249.36

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Solution

The fourth proportional to 2,173.52, 3,257.21 and 1,249.36 is: 1,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.52 : 3,257.21 = 1,249.36 : x
  2. Step 2: Convert to fraction form
    2,173.52/3,257.21 = 1,249.36/x
  3. Step 3: Cross multiply
    2,173.52x = 3,257.21 × 1,249.36
  4. Step 4: Simplify right side
    2,173.52x = 4,069,422.87
  5. Step 5: Solve for x
    x = 4,069,422.87/2,173.52
  6. Step 6: Final answer
    x = 1,872.27

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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.