Home / 2,834.45-3,911.36-1,575.41

Finding the Fourth Proportional to 2,834.45, 3,911.36 and 1,575.41

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Solution

The fourth proportional to 2,834.45, 3,911.36 and 1,575.41 is: 2,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.45 : 3,911.36 = 1,575.41 : x
  2. Step 2: Convert to fraction form
    2,834.45/3,911.36 = 1,575.41/x
  3. Step 3: Cross multiply
    2,834.45x = 3,911.36 × 1,575.41
  4. Step 4: Simplify right side
    2,834.45x = 6,161,995.66
  5. Step 5: Solve for x
    x = 6,161,995.66/2,834.45
  6. Step 6: Final answer
    x = 2,173.97

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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.