Home / 3,132.50-4,321.62-2,013.26

Finding the Fourth Proportional to 3,132.50, 4,321.62 and 2,013.26

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Solution

The fourth proportional to 3,132.50, 4,321.62 and 2,013.26 is: 2,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.50 : 4,321.62 = 2,013.26 : x
  2. Step 2: Convert to fraction form
    3,132.50/4,321.62 = 2,013.26/x
  3. Step 3: Cross multiply
    3,132.50x = 4,321.62 × 2,013.26
  4. Step 4: Simplify right side
    3,132.50x = 8,700,544.68
  5. Step 5: Solve for x
    x = 8,700,544.68/3,132.50
  6. Step 6: Final answer
    x = 2,777.51

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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.