Home / 2,801.45-3,863.46-2,301.14

Finding the Fourth Proportional to 2,801.45, 3,863.46 and 2,301.14

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Solution

The fourth proportional to 2,801.45, 3,863.46 and 2,301.14 is: 3,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.45 : 3,863.46 = 2,301.14 : x
  2. Step 2: Convert to fraction form
    2,801.45/3,863.46 = 2,301.14/x
  3. Step 3: Cross multiply
    2,801.45x = 3,863.46 × 2,301.14
  4. Step 4: Simplify right side
    2,801.45x = 8,890,380.63
  5. Step 5: Solve for x
    x = 8,890,380.63/2,801.45
  6. Step 6: Final answer
    x = 3,173.49

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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.