Home / 2,861.67-4,283.87-2,587.89

Finding the Fourth Proportional to 2,861.67, 4,283.87 and 2,587.89

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Solution

The fourth proportional to 2,861.67, 4,283.87 and 2,587.89 is: 3,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.67 : 4,283.87 = 2,587.89 : x
  2. Step 2: Convert to fraction form
    2,861.67/4,283.87 = 2,587.89/x
  3. Step 3: Cross multiply
    2,861.67x = 4,283.87 × 2,587.89
  4. Step 4: Simplify right side
    2,861.67x = 11,086,171.39
  5. Step 5: Solve for x
    x = 11,086,171.39/2,861.67
  6. Step 6: Final answer
    x = 3,874.02

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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.