Home / 3,801.90-5,253.84-2,743.14

Finding the Fourth Proportional to 3,801.90, 5,253.84 and 2,743.14

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Solution

The fourth proportional to 3,801.90, 5,253.84 and 2,743.14 is: 3,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.90 : 5,253.84 = 2,743.14 : x
  2. Step 2: Convert to fraction form
    3,801.90/5,253.84 = 2,743.14/x
  3. Step 3: Cross multiply
    3,801.90x = 5,253.84 × 2,743.14
  4. Step 4: Simplify right side
    3,801.90x = 14,412,018.66
  5. Step 5: Solve for x
    x = 14,412,018.66/3,801.90
  6. Step 6: Final answer
    x = 3,790.74

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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.