Home / 2,761.12-4,142.76-1,029.34

Finding the Fourth Proportional to 2,761.12, 4,142.76 and 1,029.34

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Solution

The fourth proportional to 2,761.12, 4,142.76 and 1,029.34 is: 1,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.12 : 4,142.76 = 1,029.34 : x
  2. Step 2: Convert to fraction form
    2,761.12/4,142.76 = 1,029.34/x
  3. Step 3: Cross multiply
    2,761.12x = 4,142.76 × 1,029.34
  4. Step 4: Simplify right side
    2,761.12x = 4,264,308.58
  5. Step 5: Solve for x
    x = 4,264,308.58/2,761.12
  6. Step 6: Final answer
    x = 1,544.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.