Home / 3,881.48-5,356.41-3,321.23

Finding the Fourth Proportional to 3,881.48, 5,356.41 and 3,321.23

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Solution

The fourth proportional to 3,881.48, 5,356.41 and 3,321.23 is: 4,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.48 : 5,356.41 = 3,321.23 : x
  2. Step 2: Convert to fraction form
    3,881.48/5,356.41 = 3,321.23/x
  3. Step 3: Cross multiply
    3,881.48x = 5,356.41 × 3,321.23
  4. Step 4: Simplify right side
    3,881.48x = 17,789,869.58
  5. Step 5: Solve for x
    x = 17,789,869.58/3,881.48
  6. Step 6: Final answer
    x = 4,583.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.