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Finding the Fourth Proportional to 3,537.39, 4,881.42 and 1,965.45

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Solution

The fourth proportional to 3,537.39, 4,881.42 and 1,965.45 is: 2,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.39 : 4,881.42 = 1,965.45 : x
  2. Step 2: Convert to fraction form
    3,537.39/4,881.42 = 1,965.45/x
  3. Step 3: Cross multiply
    3,537.39x = 4,881.42 × 1,965.45
  4. Step 4: Simplify right side
    3,537.39x = 9,594,186.94
  5. Step 5: Solve for x
    x = 9,594,186.94/3,537.39
  6. Step 6: Final answer
    x = 2,712.22

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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.