Home / 3,118.62-4,680.56-1,476.34

Finding the Fourth Proportional to 3,118.62, 4,680.56 and 1,476.34

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Solution

The fourth proportional to 3,118.62, 4,680.56 and 1,476.34 is: 2,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.62 : 4,680.56 = 1,476.34 : x
  2. Step 2: Convert to fraction form
    3,118.62/4,680.56 = 1,476.34/x
  3. Step 3: Cross multiply
    3,118.62x = 4,680.56 × 1,476.34
  4. Step 4: Simplify right side
    3,118.62x = 6,910,097.95
  5. Step 5: Solve for x
    x = 6,910,097.95/3,118.62
  6. Step 6: Final answer
    x = 2,215.76

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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.