Home / 2,801.91-4,202.57-1,241.94

Finding the Fourth Proportional to 2,801.91, 4,202.57 and 1,241.94

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Solution

The fourth proportional to 2,801.91, 4,202.57 and 1,241.94 is: 1,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.91 : 4,202.57 = 1,241.94 : x
  2. Step 2: Convert to fraction form
    2,801.91/4,202.57 = 1,241.94/x
  3. Step 3: Cross multiply
    2,801.91x = 4,202.57 × 1,241.94
  4. Step 4: Simplify right side
    2,801.91x = 5,219,339.79
  5. Step 5: Solve for x
    x = 5,219,339.79/2,801.91
  6. Step 6: Final answer
    x = 1,862.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.