Home / 3,441.31-4,749.08-1,949.23

Finding the Fourth Proportional to 3,441.31, 4,749.08 and 1,949.23

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Solution

The fourth proportional to 3,441.31, 4,749.08 and 1,949.23 is: 2,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.31 : 4,749.08 = 1,949.23 : x
  2. Step 2: Convert to fraction form
    3,441.31/4,749.08 = 1,949.23/x
  3. Step 3: Cross multiply
    3,441.31x = 4,749.08 × 1,949.23
  4. Step 4: Simplify right side
    3,441.31x = 9,257,049.21
  5. Step 5: Solve for x
    x = 9,257,049.21/3,441.31
  6. Step 6: Final answer
    x = 2,689.98

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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.