Home / 2,833.78-3,911.24-1,575.26

Finding the Fourth Proportional to 2,833.78, 3,911.24 and 1,575.26

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Solution

The fourth proportional to 2,833.78, 3,911.24 and 1,575.26 is: 2,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.78 : 3,911.24 = 1,575.26 : x
  2. Step 2: Convert to fraction form
    2,833.78/3,911.24 = 1,575.26/x
  3. Step 3: Cross multiply
    2,833.78x = 3,911.24 × 1,575.26
  4. Step 4: Simplify right side
    2,833.78x = 6,161,232.11
  5. Step 5: Solve for x
    x = 6,161,232.11/2,833.78
  6. Step 6: Final answer
    x = 2,174.21

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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.