Home / 3,877.14-5,816.05-1,208.55

Finding the Fourth Proportional to 3,877.14, 5,816.05 and 1,208.55

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Solution

The fourth proportional to 3,877.14, 5,816.05 and 1,208.55 is: 1,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.14 : 5,816.05 = 1,208.55 : x
  2. Step 2: Convert to fraction form
    3,877.14/5,816.05 = 1,208.55/x
  3. Step 3: Cross multiply
    3,877.14x = 5,816.05 × 1,208.55
  4. Step 4: Simplify right side
    3,877.14x = 7,028,963.74
  5. Step 5: Solve for x
    x = 7,028,963.74/3,877.14
  6. Step 6: Final answer
    x = 1,812.92

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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.