Home / 3,376.66-5,066.51-2,143.74

Finding the Fourth Proportional to 3,376.66, 5,066.51 and 2,143.74

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Solution

The fourth proportional to 3,376.66, 5,066.51 and 2,143.74 is: 3,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.66 : 5,066.51 = 2,143.74 : x
  2. Step 2: Convert to fraction form
    3,376.66/5,066.51 = 2,143.74/x
  3. Step 3: Cross multiply
    3,376.66x = 5,066.51 × 2,143.74
  4. Step 4: Simplify right side
    3,376.66x = 10,861,269.43
  5. Step 5: Solve for x
    x = 10,861,269.43/3,376.66
  6. Step 6: Final answer
    x = 3,216.57

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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.