Home / 3,679.58-5,078.96-2,263.70

Finding the Fourth Proportional to 3,679.58, 5,078.96 and 2,263.70

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Solution

The fourth proportional to 3,679.58, 5,078.96 and 2,263.70 is: 3,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.58 : 5,078.96 = 2,263.70 : x
  2. Step 2: Convert to fraction form
    3,679.58/5,078.96 = 2,263.70/x
  3. Step 3: Cross multiply
    3,679.58x = 5,078.96 × 2,263.70
  4. Step 4: Simplify right side
    3,679.58x = 11,497,205.04
  5. Step 5: Solve for x
    x = 11,497,205.04/3,679.58
  6. Step 6: Final answer
    x = 3,124.60

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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.