Home / 3,044.46-4,200.72-1,982.40

Finding the Fourth Proportional to 3,044.46, 4,200.72 and 1,982.40

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Solution

The fourth proportional to 3,044.46, 4,200.72 and 1,982.40 is: 2,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044.46 : 4,200.72 = 1,982.40 : x
  2. Step 2: Convert to fraction form
    3,044.46/4,200.72 = 1,982.40/x
  3. Step 3: Cross multiply
    3,044.46x = 4,200.72 × 1,982.40
  4. Step 4: Simplify right side
    3,044.46x = 8,327,507.33
  5. Step 5: Solve for x
    x = 8,327,507.33/3,044.46
  6. Step 6: Final answer
    x = 2,735.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.