Home / 3,119.83-4,677-1,476.85

Finding the Fourth Proportional to 3,119.83, 4,677 and 1,476.85

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Solution

The fourth proportional to 3,119.83, 4,677 and 1,476.85 is: 2,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.83 : 4,677 = 1,476.85 : x
  2. Step 2: Convert to fraction form
    3,119.83/4,677 = 1,476.85/x
  3. Step 3: Cross multiply
    3,119.83x = 4,677 × 1,476.85
  4. Step 4: Simplify right side
    3,119.83x = 6,907,227.45
  5. Step 5: Solve for x
    x = 6,907,227.45/3,119.83
  6. Step 6: Final answer
    x = 2,213.98

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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.