Home / 3,788.57-5,682.86-1,156.09

Finding the Fourth Proportional to 3,788.57, 5,682.86 and 1,156.09

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Solution

The fourth proportional to 3,788.57, 5,682.86 and 1,156.09 is: 1,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.57 : 5,682.86 = 1,156.09 : x
  2. Step 2: Convert to fraction form
    3,788.57/5,682.86 = 1,156.09/x
  3. Step 3: Cross multiply
    3,788.57x = 5,682.86 × 1,156.09
  4. Step 4: Simplify right side
    3,788.57x = 6,569,920.93
  5. Step 5: Solve for x
    x = 6,569,920.93/3,788.57
  6. Step 6: Final answer
    x = 1,734.14

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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.