Home / 2,288.18-3,412.94-2,218.96

Finding the Fourth Proportional to 2,288.18, 3,412.94 and 2,218.96

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Solution

The fourth proportional to 2,288.18, 3,412.94 and 2,218.96 is: 3,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.18 : 3,412.94 = 2,218.96 : x
  2. Step 2: Convert to fraction form
    2,288.18/3,412.94 = 2,218.96/x
  3. Step 3: Cross multiply
    2,288.18x = 3,412.94 × 2,218.96
  4. Step 4: Simplify right side
    2,288.18x = 7,573,149.18
  5. Step 5: Solve for x
    x = 7,573,149.18/2,288.18
  6. Step 6: Final answer
    x = 3,309.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.