Home / 2,766.60-3,817.96-1,587.68

Finding the Fourth Proportional to 2,766.60, 3,817.96 and 1,587.68

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Solution

The fourth proportional to 2,766.60, 3,817.96 and 1,587.68 is: 2,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.60 : 3,817.96 = 1,587.68 : x
  2. Step 2: Convert to fraction form
    2,766.60/3,817.96 = 1,587.68/x
  3. Step 3: Cross multiply
    2,766.60x = 3,817.96 × 1,587.68
  4. Step 4: Simplify right side
    2,766.60x = 6,061,698.73
  5. Step 5: Solve for x
    x = 6,061,698.73/2,766.60
  6. Step 6: Final answer
    x = 2,191.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.