Home / 3,877.88-5,816.81-1,569.38

Finding the Fourth Proportional to 3,877.88, 5,816.81 and 1,569.38

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Solution

The fourth proportional to 3,877.88, 5,816.81 and 1,569.38 is: 2,354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.88 : 5,816.81 = 1,569.38 : x
  2. Step 2: Convert to fraction form
    3,877.88/5,816.81 = 1,569.38/x
  3. Step 3: Cross multiply
    3,877.88x = 5,816.81 × 1,569.38
  4. Step 4: Simplify right side
    3,877.88x = 9,128,760.12
  5. Step 5: Solve for x
    x = 9,128,760.12/3,877.88
  6. Step 6: Final answer
    x = 2,354.06

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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.