Home / 3,964.97-5,947.50-1,885.18

Finding the Fourth Proportional to 3,964.97, 5,947.50 and 1,885.18

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Solution

The fourth proportional to 3,964.97, 5,947.50 and 1,885.18 is: 2,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.97 : 5,947.50 = 1,885.18 : x
  2. Step 2: Convert to fraction form
    3,964.97/5,947.50 = 1,885.18/x
  3. Step 3: Cross multiply
    3,964.97x = 5,947.50 × 1,885.18
  4. Step 4: Simplify right side
    3,964.97x = 11,212,108.05
  5. Step 5: Solve for x
    x = 11,212,108.05/3,964.97
  6. Step 6: Final answer
    x = 2,827.79

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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.