Home / 2,766.15-4,143.96-2,069.28

Finding the Fourth Proportional to 2,766.15, 4,143.96 and 2,069.28

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Solution

The fourth proportional to 2,766.15, 4,143.96 and 2,069.28 is: 3,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.15 : 4,143.96 = 2,069.28 : x
  2. Step 2: Convert to fraction form
    2,766.15/4,143.96 = 2,069.28/x
  3. Step 3: Cross multiply
    2,766.15x = 4,143.96 × 2,069.28
  4. Step 4: Simplify right side
    2,766.15x = 8,575,013.55
  5. Step 5: Solve for x
    x = 8,575,013.55/2,766.15
  6. Step 6: Final answer
    x = 3,099.98

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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.