Home / 3,309.15-4,963.19-1,118.01

Finding the Fourth Proportional to 3,309.15, 4,963.19 and 1,118.01

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Solution

The fourth proportional to 3,309.15, 4,963.19 and 1,118.01 is: 1,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.15 : 4,963.19 = 1,118.01 : x
  2. Step 2: Convert to fraction form
    3,309.15/4,963.19 = 1,118.01/x
  3. Step 3: Cross multiply
    3,309.15x = 4,963.19 × 1,118.01
  4. Step 4: Simplify right side
    3,309.15x = 5,548,890.46
  5. Step 5: Solve for x
    x = 5,548,890.46/3,309.15
  6. Step 6: Final answer
    x = 1,676.83

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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.