Home / 2,758.23-4,137.66-1,277.10

Finding the Fourth Proportional to 2,758.23, 4,137.66 and 1,277.10

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Solution

The fourth proportional to 2,758.23, 4,137.66 and 1,277.10 is: 1,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.23 : 4,137.66 = 1,277.10 : x
  2. Step 2: Convert to fraction form
    2,758.23/4,137.66 = 1,277.10/x
  3. Step 3: Cross multiply
    2,758.23x = 4,137.66 × 1,277.10
  4. Step 4: Simplify right side
    2,758.23x = 5,284,205.59
  5. Step 5: Solve for x
    x = 5,284,205.59/2,758.23
  6. Step 6: Final answer
    x = 1,915.80

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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.