Home / 2,834.26-3,911.31-1,575.45

Finding the Fourth Proportional to 2,834.26, 3,911.31 and 1,575.45

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Solution

The fourth proportional to 2,834.26, 3,911.31 and 1,575.45 is: 2,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.26 : 3,911.31 = 1,575.45 : x
  2. Step 2: Convert to fraction form
    2,834.26/3,911.31 = 1,575.45/x
  3. Step 3: Cross multiply
    2,834.26x = 3,911.31 × 1,575.45
  4. Step 4: Simplify right side
    2,834.26x = 6,162,073.34
  5. Step 5: Solve for x
    x = 6,162,073.34/2,834.26
  6. Step 6: Final answer
    x = 2,174.14

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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.