Home / 3,358.48-5,036.94-1,278.73

Finding the Fourth Proportional to 3,358.48, 5,036.94 and 1,278.73

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Solution

The fourth proportional to 3,358.48, 5,036.94 and 1,278.73 is: 1,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.48 : 5,036.94 = 1,278.73 : x
  2. Step 2: Convert to fraction form
    3,358.48/5,036.94 = 1,278.73/x
  3. Step 3: Cross multiply
    3,358.48x = 5,036.94 × 1,278.73
  4. Step 4: Simplify right side
    3,358.48x = 6,440,886.29
  5. Step 5: Solve for x
    x = 6,440,886.29/3,358.48
  6. Step 6: Final answer
    x = 1,917.80

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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.