Home / 2,137.50-3,198.02-2,132.02

Finding the Fourth Proportional to 2,137.50, 3,198.02 and 2,132.02

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Solution

The fourth proportional to 2,137.50, 3,198.02 and 2,132.02 is: 3,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.50 : 3,198.02 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    2,137.50/3,198.02 = 2,132.02/x
  3. Step 3: Cross multiply
    2,137.50x = 3,198.02 × 2,132.02
  4. Step 4: Simplify right side
    2,137.50x = 6,818,242.60
  5. Step 5: Solve for x
    x = 6,818,242.60/2,137.50
  6. Step 6: Final answer
    x = 3,189.82

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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.