Home / 3,952.43-5,455.20-2,696.48

Finding the Fourth Proportional to 3,952.43, 5,455.20 and 2,696.48

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Solution

The fourth proportional to 3,952.43, 5,455.20 and 2,696.48 is: 3,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.43 : 5,455.20 = 2,696.48 : x
  2. Step 2: Convert to fraction form
    3,952.43/5,455.20 = 2,696.48/x
  3. Step 3: Cross multiply
    3,952.43x = 5,455.20 × 2,696.48
  4. Step 4: Simplify right side
    3,952.43x = 14,709,837.70
  5. Step 5: Solve for x
    x = 14,709,837.70/3,952.43
  6. Step 6: Final answer
    x = 3,721.72

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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.