Home / 3,815.83-5,721.95-1,476.94

Finding the Fourth Proportional to 3,815.83, 5,721.95 and 1,476.94

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Solution

The fourth proportional to 3,815.83, 5,721.95 and 1,476.94 is: 2,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.83 : 5,721.95 = 1,476.94 : x
  2. Step 2: Convert to fraction form
    3,815.83/5,721.95 = 1,476.94/x
  3. Step 3: Cross multiply
    3,815.83x = 5,721.95 × 1,476.94
  4. Step 4: Simplify right side
    3,815.83x = 8,450,948.22
  5. Step 5: Solve for x
    x = 8,450,948.22/3,815.83
  6. Step 6: Final answer
    x = 2,214.71

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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.