Home / 3,110.26-4,292.18-1,784.29

Finding the Fourth Proportional to 3,110.26, 4,292.18 and 1,784.29

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Solution

The fourth proportional to 3,110.26, 4,292.18 and 1,784.29 is: 2,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.26 : 4,292.18 = 1,784.29 : x
  2. Step 2: Convert to fraction form
    3,110.26/4,292.18 = 1,784.29/x
  3. Step 3: Cross multiply
    3,110.26x = 4,292.18 × 1,784.29
  4. Step 4: Simplify right side
    3,110.26x = 7,658,493.85
  5. Step 5: Solve for x
    x = 7,658,493.85/3,110.26
  6. Step 6: Final answer
    x = 2,462.33

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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.