Home / 2,134.50-3,193.52-2,129.02

Finding the Fourth Proportional to 2,134.50, 3,193.52 and 2,129.02

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Solution

The fourth proportional to 2,134.50, 3,193.52 and 2,129.02 is: 3,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.50 : 3,193.52 = 2,129.02 : x
  2. Step 2: Convert to fraction form
    2,134.50/3,193.52 = 2,129.02/x
  3. Step 3: Cross multiply
    2,134.50x = 3,193.52 × 2,129.02
  4. Step 4: Simplify right side
    2,134.50x = 6,799,067.95
  5. Step 5: Solve for x
    x = 6,799,067.95/2,134.50
  6. Step 6: Final answer
    x = 3,185.32

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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.