Home / 2,654.58-3,974.40-1,727.79

Finding the Fourth Proportional to 2,654.58, 3,974.40 and 1,727.79

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Solution

The fourth proportional to 2,654.58, 3,974.40 and 1,727.79 is: 2,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.58 : 3,974.40 = 1,727.79 : x
  2. Step 2: Convert to fraction form
    2,654.58/3,974.40 = 1,727.79/x
  3. Step 3: Cross multiply
    2,654.58x = 3,974.40 × 1,727.79
  4. Step 4: Simplify right side
    2,654.58x = 6,866,928.58
  5. Step 5: Solve for x
    x = 6,866,928.58/2,654.58
  6. Step 6: Final answer
    x = 2,586.82

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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.