Home / 3,872.51-5,344.26-2,193.99

Finding the Fourth Proportional to 3,872.51, 5,344.26 and 2,193.99

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Solution

The fourth proportional to 3,872.51, 5,344.26 and 2,193.99 is: 3,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.51 : 5,344.26 = 2,193.99 : x
  2. Step 2: Convert to fraction form
    3,872.51/5,344.26 = 2,193.99/x
  3. Step 3: Cross multiply
    3,872.51x = 5,344.26 × 2,193.99
  4. Step 4: Simplify right side
    3,872.51x = 11,725,253.00
  5. Step 5: Solve for x
    x = 11,725,253.00/3,872.51
  6. Step 6: Final answer
    x = 3,027.82

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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.