Home / 3,387.75-4,675.37-1,952.56

Finding the Fourth Proportional to 3,387.75, 4,675.37 and 1,952.56

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Solution

The fourth proportional to 3,387.75, 4,675.37 and 1,952.56 is: 2,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.75 : 4,675.37 = 1,952.56 : x
  2. Step 2: Convert to fraction form
    3,387.75/4,675.37 = 1,952.56/x
  3. Step 3: Cross multiply
    3,387.75x = 4,675.37 × 1,952.56
  4. Step 4: Simplify right side
    3,387.75x = 9,128,940.45
  5. Step 5: Solve for x
    x = 9,128,940.45/3,387.75
  6. Step 6: Final answer
    x = 2,694.69

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Double scale
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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.