Home / 3,943.39-5,436.22-3,102.63

Finding the Fourth Proportional to 3,943.39, 5,436.22 and 3,102.63

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Solution

The fourth proportional to 3,943.39, 5,436.22 and 3,102.63 is: 4,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.39 : 5,436.22 = 3,102.63 : x
  2. Step 2: Convert to fraction form
    3,943.39/5,436.22 = 3,102.63/x
  3. Step 3: Cross multiply
    3,943.39x = 5,436.22 × 3,102.63
  4. Step 4: Simplify right side
    3,943.39x = 16,866,579.26
  5. Step 5: Solve for x
    x = 16,866,579.26/3,943.39
  6. Step 6: Final answer
    x = 4,277.18

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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.