Home / 2,961.66-4,443.10-1,112.77

Finding the Fourth Proportional to 2,961.66, 4,443.10 and 1,112.77

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Solution

The fourth proportional to 2,961.66, 4,443.10 and 1,112.77 is: 1,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.66 : 4,443.10 = 1,112.77 : x
  2. Step 2: Convert to fraction form
    2,961.66/4,443.10 = 1,112.77/x
  3. Step 3: Cross multiply
    2,961.66x = 4,443.10 × 1,112.77
  4. Step 4: Simplify right side
    2,961.66x = 4,944,148.39
  5. Step 5: Solve for x
    x = 4,944,148.39/2,961.66
  6. Step 6: Final answer
    x = 1,669.38

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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.