Home / 2,933.31-4,399.97-985.52

Finding the Fourth Proportional to 2,933.31, 4,399.97 and 985.52

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Solution

The fourth proportional to 2,933.31, 4,399.97 and 985.52 is: 1,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.31 : 4,399.97 = 985.52 : x
  2. Step 2: Convert to fraction form
    2,933.31/4,399.97 = 985.52/x
  3. Step 3: Cross multiply
    2,933.31x = 4,399.97 × 985.52
  4. Step 4: Simplify right side
    2,933.31x = 4,336,245.30
  5. Step 5: Solve for x
    x = 4,336,245.30/2,933.31
  6. Step 6: Final answer
    x = 1,478.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.