Home / 2,306.45-3,181.97-1,608.23

Finding the Fourth Proportional to 2,306.45, 3,181.97 and 1,608.23

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Solution

The fourth proportional to 2,306.45, 3,181.97 and 1,608.23 is: 2,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.45 : 3,181.97 = 1,608.23 : x
  2. Step 2: Convert to fraction form
    2,306.45/3,181.97 = 1,608.23/x
  3. Step 3: Cross multiply
    2,306.45x = 3,181.97 × 1,608.23
  4. Step 4: Simplify right side
    2,306.45x = 5,117,331.57
  5. Step 5: Solve for x
    x = 5,117,331.57/2,306.45
  6. Step 6: Final answer
    x = 2,218.70

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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.