Home / 3,114.14-4,648.43-2,745.09

Finding the Fourth Proportional to 3,114.14, 4,648.43 and 2,745.09

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Solution

The fourth proportional to 3,114.14, 4,648.43 and 2,745.09 is: 4,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.14 : 4,648.43 = 2,745.09 : x
  2. Step 2: Convert to fraction form
    3,114.14/4,648.43 = 2,745.09/x
  3. Step 3: Cross multiply
    3,114.14x = 4,648.43 × 2,745.09
  4. Step 4: Simplify right side
    3,114.14x = 12,760,358.71
  5. Step 5: Solve for x
    x = 12,760,358.71/3,114.14
  6. Step 6: Final answer
    x = 4,097.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.