Home / 2,766.21-4,148.53-1,099.59

Finding the Fourth Proportional to 2,766.21, 4,148.53 and 1,099.59

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Solution

The fourth proportional to 2,766.21, 4,148.53 and 1,099.59 is: 1,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.21 : 4,148.53 = 1,099.59 : x
  2. Step 2: Convert to fraction form
    2,766.21/4,148.53 = 1,099.59/x
  3. Step 3: Cross multiply
    2,766.21x = 4,148.53 × 1,099.59
  4. Step 4: Simplify right side
    2,766.21x = 4,561,682.10
  5. Step 5: Solve for x
    x = 4,561,682.10/2,766.21
  6. Step 6: Final answer
    x = 1,649.07

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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.