Home / 3,207.78-4,811.67-1,476.18

Finding the Fourth Proportional to 3,207.78, 4,811.67 and 1,476.18

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Solution

The fourth proportional to 3,207.78, 4,811.67 and 1,476.18 is: 2,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.78 : 4,811.67 = 1,476.18 : x
  2. Step 2: Convert to fraction form
    3,207.78/4,811.67 = 1,476.18/x
  3. Step 3: Cross multiply
    3,207.78x = 4,811.67 × 1,476.18
  4. Step 4: Simplify right side
    3,207.78x = 7,102,891.02
  5. Step 5: Solve for x
    x = 7,102,891.02/3,207.78
  6. Step 6: Final answer
    x = 2,214.27

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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.