Home / 3,836.25-5,294.05-2,157.66

Finding the Fourth Proportional to 3,836.25, 5,294.05 and 2,157.66

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Solution

The fourth proportional to 3,836.25, 5,294.05 and 2,157.66 is: 2,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.25 : 5,294.05 = 2,157.66 : x
  2. Step 2: Convert to fraction form
    3,836.25/5,294.05 = 2,157.66/x
  3. Step 3: Cross multiply
    3,836.25x = 5,294.05 × 2,157.66
  4. Step 4: Simplify right side
    3,836.25x = 11,422,754.53
  5. Step 5: Solve for x
    x = 11,422,754.53/3,836.25
  6. Step 6: Final answer
    x = 2,977.58

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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.