Home / 3,554.82-4,906.53-2,158.74

Finding the Fourth Proportional to 3,554.82, 4,906.53 and 2,158.74

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Solution

The fourth proportional to 3,554.82, 4,906.53 and 2,158.74 is: 2,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.82 : 4,906.53 = 2,158.74 : x
  2. Step 2: Convert to fraction form
    3,554.82/4,906.53 = 2,158.74/x
  3. Step 3: Cross multiply
    3,554.82x = 4,906.53 × 2,158.74
  4. Step 4: Simplify right side
    3,554.82x = 10,591,922.57
  5. Step 5: Solve for x
    x = 10,591,922.57/3,554.82
  6. Step 6: Final answer
    x = 2,979.59

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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.