Home / 3,962.10-5,469.90-2,637.75

Finding the Fourth Proportional to 3,962.10, 5,469.90 and 2,637.75

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Solution

The fourth proportional to 3,962.10, 5,469.90 and 2,637.75 is: 3,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.10 : 5,469.90 = 2,637.75 : x
  2. Step 2: Convert to fraction form
    3,962.10/5,469.90 = 2,637.75/x
  3. Step 3: Cross multiply
    3,962.10x = 5,469.90 × 2,637.75
  4. Step 4: Simplify right side
    3,962.10x = 14,428,228.73
  5. Step 5: Solve for x
    x = 14,428,228.73/3,962.10
  6. Step 6: Final answer
    x = 3,641.56

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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.