Home / 2,761.35-4,141.85-1,005.63

Finding the Fourth Proportional to 2,761.35, 4,141.85 and 1,005.63

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Solution

The fourth proportional to 2,761.35, 4,141.85 and 1,005.63 is: 1,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.35 : 4,141.85 = 1,005.63 : x
  2. Step 2: Convert to fraction form
    2,761.35/4,141.85 = 1,005.63/x
  3. Step 3: Cross multiply
    2,761.35x = 4,141.85 × 1,005.63
  4. Step 4: Simplify right side
    2,761.35x = 4,165,163.59
  5. Step 5: Solve for x
    x = 4,165,163.59/2,761.35
  6. Step 6: Final answer
    x = 1,508.38

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1.5x scale

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.