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Finding the Fourth Proportional to 3,833.83, 5,749.11 and 1,492.59

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Solution

The fourth proportional to 3,833.83, 5,749.11 and 1,492.59 is: 2,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.83 : 5,749.11 = 1,492.59 : x
  2. Step 2: Convert to fraction form
    3,833.83/5,749.11 = 1,492.59/x
  3. Step 3: Cross multiply
    3,833.83x = 5,749.11 × 1,492.59
  4. Step 4: Simplify right side
    3,833.83x = 8,581,085.65
  5. Step 5: Solve for x
    x = 8,581,085.65/3,833.83
  6. Step 6: Final answer
    x = 2,238.25

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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.