Home / 2,922.38-4,383.40-1,608.66

Finding the Fourth Proportional to 2,922.38, 4,383.40 and 1,608.66

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Solution

The fourth proportional to 2,922.38, 4,383.40 and 1,608.66 is: 2,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.38 : 4,383.40 = 1,608.66 : x
  2. Step 2: Convert to fraction form
    2,922.38/4,383.40 = 1,608.66/x
  3. Step 3: Cross multiply
    2,922.38x = 4,383.40 × 1,608.66
  4. Step 4: Simplify right side
    2,922.38x = 7,051,400.24
  5. Step 5: Solve for x
    x = 7,051,400.24/2,922.38
  6. Step 6: Final answer
    x = 2,412.90

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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.