Home / 3,354.24-4,625.31-2,156.85

Finding the Fourth Proportional to 3,354.24, 4,625.31 and 2,156.85

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Solution

The fourth proportional to 3,354.24, 4,625.31 and 2,156.85 is: 2,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.24 : 4,625.31 = 2,156.85 : x
  2. Step 2: Convert to fraction form
    3,354.24/4,625.31 = 2,156.85/x
  3. Step 3: Cross multiply
    3,354.24x = 4,625.31 × 2,156.85
  4. Step 4: Simplify right side
    3,354.24x = 9,976,099.87
  5. Step 5: Solve for x
    x = 9,976,099.87/3,354.24
  6. Step 6: Final answer
    x = 2,974.18

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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.