Home / 2,122.41-3,182.34-952.20

Finding the Fourth Proportional to 2,122.41, 3,182.34 and 952.20

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Solution

The fourth proportional to 2,122.41, 3,182.34 and 952.20 is: 1,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.41 : 3,182.34 = 952.20 : x
  2. Step 2: Convert to fraction form
    2,122.41/3,182.34 = 952.20/x
  3. Step 3: Cross multiply
    2,122.41x = 3,182.34 × 952.20
  4. Step 4: Simplify right side
    2,122.41x = 3,030,224.15
  5. Step 5: Solve for x
    x = 3,030,224.15/2,122.41
  6. Step 6: Final answer
    x = 1,427.73

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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.