Home / 2,766.18-4,151.40-2,065.14

Finding the Fourth Proportional to 2,766.18, 4,151.40 and 2,065.14

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Solution

The fourth proportional to 2,766.18, 4,151.40 and 2,065.14 is: 3,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.18 : 4,151.40 = 2,065.14 : x
  2. Step 2: Convert to fraction form
    2,766.18/4,151.40 = 2,065.14/x
  3. Step 3: Cross multiply
    2,766.18x = 4,151.40 × 2,065.14
  4. Step 4: Simplify right side
    2,766.18x = 8,573,222.20
  5. Step 5: Solve for x
    x = 8,573,222.20/2,766.18
  6. Step 6: Final answer
    x = 3,099.30

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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.