Home / 3,878.48-5,816.81-1,104.44

Finding the Fourth Proportional to 3,878.48, 5,816.81 and 1,104.44

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Solution

The fourth proportional to 3,878.48, 5,816.81 and 1,104.44 is: 1,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.48 : 5,816.81 = 1,104.44 : x
  2. Step 2: Convert to fraction form
    3,878.48/5,816.81 = 1,104.44/x
  3. Step 3: Cross multiply
    3,878.48x = 5,816.81 × 1,104.44
  4. Step 4: Simplify right side
    3,878.48x = 6,424,291.31
  5. Step 5: Solve for x
    x = 6,424,291.31/3,878.48
  6. Step 6: Final answer
    x = 1,656.39

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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.