Home / 4,078.19-5,630.24-2,684.99

Finding the Fourth Proportional to 4,078.19, 5,630.24 and 2,684.99

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Solution

The fourth proportional to 4,078.19, 5,630.24 and 2,684.99 is: 3,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.19 : 5,630.24 = 2,684.99 : x
  2. Step 2: Convert to fraction form
    4,078.19/5,630.24 = 2,684.99/x
  3. Step 3: Cross multiply
    4,078.19x = 5,630.24 × 2,684.99
  4. Step 4: Simplify right side
    4,078.19x = 15,117,138.10
  5. Step 5: Solve for x
    x = 15,117,138.10/4,078.19
  6. Step 6: Final answer
    x = 3,706.83

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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.