Home / 3,311.51-4,964.17-1,118.70

Finding the Fourth Proportional to 3,311.51, 4,964.17 and 1,118.70

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Solution

The fourth proportional to 3,311.51, 4,964.17 and 1,118.70 is: 1,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.51 : 4,964.17 = 1,118.70 : x
  2. Step 2: Convert to fraction form
    3,311.51/4,964.17 = 1,118.70/x
  3. Step 3: Cross multiply
    3,311.51x = 4,964.17 × 1,118.70
  4. Step 4: Simplify right side
    3,311.51x = 5,553,414.18
  5. Step 5: Solve for x
    x = 5,553,414.18/3,311.51
  6. Step 6: Final answer
    x = 1,677.01

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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.