Home / 3,925.18-5,879.82-1,813.81

Finding the Fourth Proportional to 3,925.18, 5,879.82 and 1,813.81

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Solution

The fourth proportional to 3,925.18, 5,879.82 and 1,813.81 is: 2,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.18 : 5,879.82 = 1,813.81 : x
  2. Step 2: Convert to fraction form
    3,925.18/5,879.82 = 1,813.81/x
  3. Step 3: Cross multiply
    3,925.18x = 5,879.82 × 1,813.81
  4. Step 4: Simplify right side
    3,925.18x = 10,664,869.41
  5. Step 5: Solve for x
    x = 10,664,869.41/3,925.18
  6. Step 6: Final answer
    x = 2,717.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.