Home / 2,129.46-3,193.13-794.32

Finding the Fourth Proportional to 2,129.46, 3,193.13 and 794.32

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Solution

The fourth proportional to 2,129.46, 3,193.13 and 794.32 is: 1,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.46 : 3,193.13 = 794.32 : x
  2. Step 2: Convert to fraction form
    2,129.46/3,193.13 = 794.32/x
  3. Step 3: Cross multiply
    2,129.46x = 3,193.13 × 794.32
  4. Step 4: Simplify right side
    2,129.46x = 2,536,361.02
  5. Step 5: Solve for x
    x = 2,536,361.02/2,129.46
  6. Step 6: Final answer
    x = 1,191.08

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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.