Home / 3,223.40-4,450.38-2,475.92

Finding the Fourth Proportional to 3,223.40, 4,450.38 and 2,475.92

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Solution

The fourth proportional to 3,223.40, 4,450.38 and 2,475.92 is: 3,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.40 : 4,450.38 = 2,475.92 : x
  2. Step 2: Convert to fraction form
    3,223.40/4,450.38 = 2,475.92/x
  3. Step 3: Cross multiply
    3,223.40x = 4,450.38 × 2,475.92
  4. Step 4: Simplify right side
    3,223.40x = 11,018,784.85
  5. Step 5: Solve for x
    x = 11,018,784.85/3,223.40
  6. Step 6: Final answer
    x = 3,418.37

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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.