Home / 3,376.86-4,659.94-2,118.62

Finding the Fourth Proportional to 3,376.86, 4,659.94 and 2,118.62

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Solution

The fourth proportional to 3,376.86, 4,659.94 and 2,118.62 is: 2,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.86 : 4,659.94 = 2,118.62 : x
  2. Step 2: Convert to fraction form
    3,376.86/4,659.94 = 2,118.62/x
  3. Step 3: Cross multiply
    3,376.86x = 4,659.94 × 2,118.62
  4. Step 4: Simplify right side
    3,376.86x = 9,872,642.08
  5. Step 5: Solve for x
    x = 9,872,642.08/3,376.86
  6. Step 6: Final answer
    x = 2,923.62

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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.