Home / 2,072.90-3,110.57-1,414.58

Finding the Fourth Proportional to 2,072.90, 3,110.57 and 1,414.58

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Solution

The fourth proportional to 2,072.90, 3,110.57 and 1,414.58 is: 2,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.90 : 3,110.57 = 1,414.58 : x
  2. Step 2: Convert to fraction form
    2,072.90/3,110.57 = 1,414.58/x
  3. Step 3: Cross multiply
    2,072.90x = 3,110.57 × 1,414.58
  4. Step 4: Simplify right side
    2,072.90x = 4,400,132.79
  5. Step 5: Solve for x
    x = 4,400,132.79/2,072.90
  6. Step 6: Final answer
    x = 2,122.69

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1.5x scale

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.