Home / 3,444.28-5,162.87-1,961.57

Finding the Fourth Proportional to 3,444.28, 5,162.87 and 1,961.57

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Solution

The fourth proportional to 3,444.28, 5,162.87 and 1,961.57 is: 2,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.28 : 5,162.87 = 1,961.57 : x
  2. Step 2: Convert to fraction form
    3,444.28/5,162.87 = 1,961.57/x
  3. Step 3: Cross multiply
    3,444.28x = 5,162.87 × 1,961.57
  4. Step 4: Simplify right side
    3,444.28x = 10,127,348.72
  5. Step 5: Solve for x
    x = 10,127,348.72/3,444.28
  6. Step 6: Final answer
    x = 2,940.34

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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.