Home / 3,934.10-5,425.17-2,813.06

Finding the Fourth Proportional to 3,934.10, 5,425.17 and 2,813.06

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Solution

The fourth proportional to 3,934.10, 5,425.17 and 2,813.06 is: 3,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.10 : 5,425.17 = 2,813.06 : x
  2. Step 2: Convert to fraction form
    3,934.10/5,425.17 = 2,813.06/x
  3. Step 3: Cross multiply
    3,934.10x = 5,425.17 × 2,813.06
  4. Step 4: Simplify right side
    3,934.10x = 15,261,328.72
  5. Step 5: Solve for x
    x = 15,261,328.72/3,934.10
  6. Step 6: Final answer
    x = 3,879.24

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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.