Home / 3,374.89-4,657.17-2,116

Finding the Fourth Proportional to 3,374.89, 4,657.17 and 2,116

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Solution

The fourth proportional to 3,374.89, 4,657.17 and 2,116 is: 2,919.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.89 : 4,657.17 = 2,116 : x
  2. Step 2: Convert to fraction form
    3,374.89/4,657.17 = 2,116/x
  3. Step 3: Cross multiply
    3,374.89x = 4,657.17 × 2,116
  4. Step 4: Simplify right side
    3,374.89x = 9,854,571.72
  5. Step 5: Solve for x
    x = 9,854,571.72/3,374.89
  6. Step 6: Final answer
    x = 2,919.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.