Home / 3,914.79-5,872.38-2,270.08

Finding the Fourth Proportional to 3,914.79, 5,872.38 and 2,270.08

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Solution

The fourth proportional to 3,914.79, 5,872.38 and 2,270.08 is: 3,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.79 : 5,872.38 = 2,270.08 : x
  2. Step 2: Convert to fraction form
    3,914.79/5,872.38 = 2,270.08/x
  3. Step 3: Cross multiply
    3,914.79x = 5,872.38 × 2,270.08
  4. Step 4: Simplify right side
    3,914.79x = 13,330,772.39
  5. Step 5: Solve for x
    x = 13,330,772.39/3,914.79
  6. Step 6: Final answer
    x = 3,405.23

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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.