Home / 3,294.52-4,940.70-2,125.78

Finding the Fourth Proportional to 3,294.52, 4,940.70 and 2,125.78

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Solution

The fourth proportional to 3,294.52, 4,940.70 and 2,125.78 is: 3,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.52 : 4,940.70 = 2,125.78 : x
  2. Step 2: Convert to fraction form
    3,294.52/4,940.70 = 2,125.78/x
  3. Step 3: Cross multiply
    3,294.52x = 4,940.70 × 2,125.78
  4. Step 4: Simplify right side
    3,294.52x = 10,502,841.25
  5. Step 5: Solve for x
    x = 10,502,841.25/3,294.52
  6. Step 6: Final answer
    x = 3,187.97

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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.