Home / 3,894.48-5,841.90-1,121.36

Finding the Fourth Proportional to 3,894.48, 5,841.90 and 1,121.36

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Solution

The fourth proportional to 3,894.48, 5,841.90 and 1,121.36 is: 1,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.48 : 5,841.90 = 1,121.36 : x
  2. Step 2: Convert to fraction form
    3,894.48/5,841.90 = 1,121.36/x
  3. Step 3: Cross multiply
    3,894.48x = 5,841.90 × 1,121.36
  4. Step 4: Simplify right side
    3,894.48x = 6,550,843.77
  5. Step 5: Solve for x
    x = 6,550,843.77/3,894.48
  6. Step 6: Final answer
    x = 1,682.08

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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.