Home / 3,874.62-5,347.83-2,548.45

Finding the Fourth Proportional to 3,874.62, 5,347.83 and 2,548.45

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Solution

The fourth proportional to 3,874.62, 5,347.83 and 2,548.45 is: 3,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.62 : 5,347.83 = 2,548.45 : x
  2. Step 2: Convert to fraction form
    3,874.62/5,347.83 = 2,548.45/x
  3. Step 3: Cross multiply
    3,874.62x = 5,347.83 × 2,548.45
  4. Step 4: Simplify right side
    3,874.62x = 13,628,677.36
  5. Step 5: Solve for x
    x = 13,628,677.36/3,874.62
  6. Step 6: Final answer
    x = 3,517.42

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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.