Home / 4,087.33-5,640.46-2,408.81

Finding the Fourth Proportional to 4,087.33, 5,640.46 and 2,408.81

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Solution

The fourth proportional to 4,087.33, 5,640.46 and 2,408.81 is: 3,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.33 : 5,640.46 = 2,408.81 : x
  2. Step 2: Convert to fraction form
    4,087.33/5,640.46 = 2,408.81/x
  3. Step 3: Cross multiply
    4,087.33x = 5,640.46 × 2,408.81
  4. Step 4: Simplify right side
    4,087.33x = 13,586,768.25
  5. Step 5: Solve for x
    x = 13,586,768.25/4,087.33
  6. Step 6: Final answer
    x = 3,324.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.