Home / 2,132.50-3,190.52-2,127.02

Finding the Fourth Proportional to 2,132.50, 3,190.52 and 2,127.02

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Solution

The fourth proportional to 2,132.50, 3,190.52 and 2,127.02 is: 3,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.50 : 3,190.52 = 2,127.02 : x
  2. Step 2: Convert to fraction form
    2,132.50/3,190.52 = 2,127.02/x
  3. Step 3: Cross multiply
    2,132.50x = 3,190.52 × 2,127.02
  4. Step 4: Simplify right side
    2,132.50x = 6,786,299.85
  5. Step 5: Solve for x
    x = 6,786,299.85/2,132.50
  6. Step 6: Final answer
    x = 3,182.32

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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.