Home / 3,669.68-5,058.78-3,005.48

Finding the Fourth Proportional to 3,669.68, 5,058.78 and 3,005.48

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Solution

The fourth proportional to 3,669.68, 5,058.78 and 3,005.48 is: 4,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.68 : 5,058.78 = 3,005.48 : x
  2. Step 2: Convert to fraction form
    3,669.68/5,058.78 = 3,005.48/x
  3. Step 3: Cross multiply
    3,669.68x = 5,058.78 × 3,005.48
  4. Step 4: Simplify right side
    3,669.68x = 15,204,062.11
  5. Step 5: Solve for x
    x = 15,204,062.11/3,669.68
  6. Step 6: Final answer
    x = 4,143.16

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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.