Home / 3,440.15-5,160.22-843.06

Finding the Fourth Proportional to 3,440.15, 5,160.22 and 843.06

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Solution

The fourth proportional to 3,440.15, 5,160.22 and 843.06 is: 1,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.15 : 5,160.22 = 843.06 : x
  2. Step 2: Convert to fraction form
    3,440.15/5,160.22 = 843.06/x
  3. Step 3: Cross multiply
    3,440.15x = 5,160.22 × 843.06
  4. Step 4: Simplify right side
    3,440.15x = 4,350,390.08
  5. Step 5: Solve for x
    x = 4,350,390.08/3,440.15
  6. Step 6: Final answer
    x = 1,264.59

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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.