Home / 4,121.49-5,682.65-2,863.59

Finding the Fourth Proportional to 4,121.49, 5,682.65 and 2,863.59

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Solution

The fourth proportional to 4,121.49, 5,682.65 and 2,863.59 is: 3,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.49 : 5,682.65 = 2,863.59 : x
  2. Step 2: Convert to fraction form
    4,121.49/5,682.65 = 2,863.59/x
  3. Step 3: Cross multiply
    4,121.49x = 5,682.65 × 2,863.59
  4. Step 4: Simplify right side
    4,121.49x = 16,272,765.40
  5. Step 5: Solve for x
    x = 16,272,765.40/4,121.49
  6. Step 6: Final answer
    x = 3,948.27

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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.