Home / 2,229.19-3,347.58-1,858.61

Finding the Fourth Proportional to 2,229.19, 3,347.58 and 1,858.61

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Solution

The fourth proportional to 2,229.19, 3,347.58 and 1,858.61 is: 2,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.19 : 3,347.58 = 1,858.61 : x
  2. Step 2: Convert to fraction form
    2,229.19/3,347.58 = 1,858.61/x
  3. Step 3: Cross multiply
    2,229.19x = 3,347.58 × 1,858.61
  4. Step 4: Simplify right side
    2,229.19x = 6,221,845.66
  5. Step 5: Solve for x
    x = 6,221,845.66/2,229.19
  6. Step 6: Final answer
    x = 2,791.08

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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.