Home / 4,087.32-5,641.78-2,408.60

Finding the Fourth Proportional to 4,087.32, 5,641.78 and 2,408.60

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Solution

The fourth proportional to 4,087.32, 5,641.78 and 2,408.60 is: 3,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.32 : 5,641.78 = 2,408.60 : x
  2. Step 2: Convert to fraction form
    4,087.32/5,641.78 = 2,408.60/x
  3. Step 3: Cross multiply
    4,087.32x = 5,641.78 × 2,408.60
  4. Step 4: Simplify right side
    4,087.32x = 13,588,791.31
  5. Step 5: Solve for x
    x = 13,588,791.31/4,087.32
  6. Step 6: Final answer
    x = 3,324.62

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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.