Home / 3,257.61-4,878.55-1,866.73

Finding the Fourth Proportional to 3,257.61, 4,878.55 and 1,866.73

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Solution

The fourth proportional to 3,257.61, 4,878.55 and 1,866.73 is: 2,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.61 : 4,878.55 = 1,866.73 : x
  2. Step 2: Convert to fraction form
    3,257.61/4,878.55 = 1,866.73/x
  3. Step 3: Cross multiply
    3,257.61x = 4,878.55 × 1,866.73
  4. Step 4: Simplify right side
    3,257.61x = 9,106,935.64
  5. Step 5: Solve for x
    x = 9,106,935.64/3,257.61
  6. Step 6: Final answer
    x = 2,795.59

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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.