Home / 2,087.70-3,131.56-1,462.80

Finding the Fourth Proportional to 2,087.70, 3,131.56 and 1,462.80

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Solution

The fourth proportional to 2,087.70, 3,131.56 and 1,462.80 is: 2,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.70 : 3,131.56 = 1,462.80 : x
  2. Step 2: Convert to fraction form
    2,087.70/3,131.56 = 1,462.80/x
  3. Step 3: Cross multiply
    2,087.70x = 3,131.56 × 1,462.80
  4. Step 4: Simplify right side
    2,087.70x = 4,580,845.97
  5. Step 5: Solve for x
    x = 4,580,845.97/2,087.70
  6. Step 6: Final answer
    x = 2,194.21

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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.