Home / 2,228.19-3,346.08-1,857.61

Finding the Fourth Proportional to 2,228.19, 3,346.08 and 1,857.61

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Solution

The fourth proportional to 2,228.19, 3,346.08 and 1,857.61 is: 2,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.19 : 3,346.08 = 1,857.61 : x
  2. Step 2: Convert to fraction form
    2,228.19/3,346.08 = 1,857.61/x
  3. Step 3: Cross multiply
    2,228.19x = 3,346.08 × 1,857.61
  4. Step 4: Simplify right side
    2,228.19x = 6,215,711.67
  5. Step 5: Solve for x
    x = 6,215,711.67/2,228.19
  6. Step 6: Final answer
    x = 2,789.58

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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.