Home / 3,110.67-4,292.63-1,851.44

Finding the Fourth Proportional to 3,110.67, 4,292.63 and 1,851.44

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Solution

The fourth proportional to 3,110.67, 4,292.63 and 1,851.44 is: 2,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.67 : 4,292.63 = 1,851.44 : x
  2. Step 2: Convert to fraction form
    3,110.67/4,292.63 = 1,851.44/x
  3. Step 3: Cross multiply
    3,110.67x = 4,292.63 × 1,851.44
  4. Step 4: Simplify right side
    3,110.67x = 7,947,516.17
  5. Step 5: Solve for x
    x = 7,947,516.17/3,110.67
  6. Step 6: Final answer
    x = 2,554.92

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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.