Home / 3,862.20-5,329.85-2,093.81

Finding the Fourth Proportional to 3,862.20, 5,329.85 and 2,093.81

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Solution

The fourth proportional to 3,862.20, 5,329.85 and 2,093.81 is: 2,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.20 : 5,329.85 = 2,093.81 : x
  2. Step 2: Convert to fraction form
    3,862.20/5,329.85 = 2,093.81/x
  3. Step 3: Cross multiply
    3,862.20x = 5,329.85 × 2,093.81
  4. Step 4: Simplify right side
    3,862.20x = 11,159,656.11
  5. Step 5: Solve for x
    x = 11,159,656.11/3,862.20
  6. Step 6: Final answer
    x = 2,889.46

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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.