Home / 3,873.88-5,344.14-2,381.26

Finding the Fourth Proportional to 3,873.88, 5,344.14 and 2,381.26

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Solution

The fourth proportional to 3,873.88, 5,344.14 and 2,381.26 is: 3,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.88 : 5,344.14 = 2,381.26 : x
  2. Step 2: Convert to fraction form
    3,873.88/5,344.14 = 2,381.26/x
  3. Step 3: Cross multiply
    3,873.88x = 5,344.14 × 2,381.26
  4. Step 4: Simplify right side
    3,873.88x = 12,725,786.82
  5. Step 5: Solve for x
    x = 12,725,786.82/3,873.88
  6. Step 6: Final answer
    x = 3,285.02

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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.