Home / 2,220.18-3,322.03-1,394.59

Finding the Fourth Proportional to 2,220.18, 3,322.03 and 1,394.59

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Solution

The fourth proportional to 2,220.18, 3,322.03 and 1,394.59 is: 2,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.18 : 3,322.03 = 1,394.59 : x
  2. Step 2: Convert to fraction form
    2,220.18/3,322.03 = 1,394.59/x
  3. Step 3: Cross multiply
    2,220.18x = 3,322.03 × 1,394.59
  4. Step 4: Simplify right side
    2,220.18x = 4,632,869.82
  5. Step 5: Solve for x
    x = 4,632,869.82/2,220.18
  6. Step 6: Final answer
    x = 2,086.71

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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.