Home / 3,192.40-4,396.44-2,306.80

Finding the Fourth Proportional to 3,192.40, 4,396.44 and 2,306.80

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Solution

The fourth proportional to 3,192.40, 4,396.44 and 2,306.80 is: 3,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.40 : 4,396.44 = 2,306.80 : x
  2. Step 2: Convert to fraction form
    3,192.40/4,396.44 = 2,306.80/x
  3. Step 3: Cross multiply
    3,192.40x = 4,396.44 × 2,306.80
  4. Step 4: Simplify right side
    3,192.40x = 10,141,707.79
  5. Step 5: Solve for x
    x = 10,141,707.79/3,192.40
  6. Step 6: Final answer
    x = 3,176.83

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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.