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Finding the Fourth Proportional to 3,665.92, 5,058.42 and 2,093.68

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Solution

The fourth proportional to 3,665.92, 5,058.42 and 2,093.68 is: 2,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.92 : 5,058.42 = 2,093.68 : x
  2. Step 2: Convert to fraction form
    3,665.92/5,058.42 = 2,093.68/x
  3. Step 3: Cross multiply
    3,665.92x = 5,058.42 × 2,093.68
  4. Step 4: Simplify right side
    3,665.92x = 10,590,712.79
  5. Step 5: Solve for x
    x = 10,590,712.79/3,665.92
  6. Step 6: Final answer
    x = 2,888.96

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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.