Home / 3,933.39-5,432.87-2,943.09

Finding the Fourth Proportional to 3,933.39, 5,432.87 and 2,943.09

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Solution

The fourth proportional to 3,933.39, 5,432.87 and 2,943.09 is: 4,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.39 : 5,432.87 = 2,943.09 : x
  2. Step 2: Convert to fraction form
    3,933.39/5,432.87 = 2,943.09/x
  3. Step 3: Cross multiply
    3,933.39x = 5,432.87 × 2,943.09
  4. Step 4: Simplify right side
    3,933.39x = 15,989,425.37
  5. Step 5: Solve for x
    x = 15,989,425.37/3,933.39
  6. Step 6: Final answer
    x = 4,065.05

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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.