Home / 4,102.39-5,661.11-2,333.96

Finding the Fourth Proportional to 4,102.39, 5,661.11 and 2,333.96

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Solution

The fourth proportional to 4,102.39, 5,661.11 and 2,333.96 is: 3,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.39 : 5,661.11 = 2,333.96 : x
  2. Step 2: Convert to fraction form
    4,102.39/5,661.11 = 2,333.96/x
  3. Step 3: Cross multiply
    4,102.39x = 5,661.11 × 2,333.96
  4. Step 4: Simplify right side
    4,102.39x = 13,212,781.82
  5. Step 5: Solve for x
    x = 13,212,781.82/4,102.39
  6. Step 6: Final answer
    x = 3,220.75

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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.