Home / 3,669.60-5,058.15-2,871.57

Finding the Fourth Proportional to 3,669.60, 5,058.15 and 2,871.57

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Solution

The fourth proportional to 3,669.60, 5,058.15 and 2,871.57 is: 3,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.60 : 5,058.15 = 2,871.57 : x
  2. Step 2: Convert to fraction form
    3,669.60/5,058.15 = 2,871.57/x
  3. Step 3: Cross multiply
    3,669.60x = 5,058.15 × 2,871.57
  4. Step 4: Simplify right side
    3,669.60x = 14,524,831.80
  5. Step 5: Solve for x
    x = 14,524,831.80/3,669.60
  6. Step 6: Final answer
    x = 3,958.15

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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.