Home / 4,229.12-5,839.05-2,636.40

Finding the Fourth Proportional to 4,229.12, 5,839.05 and 2,636.40

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Solution

The fourth proportional to 4,229.12, 5,839.05 and 2,636.40 is: 3,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.12 : 5,839.05 = 2,636.40 : x
  2. Step 2: Convert to fraction form
    4,229.12/5,839.05 = 2,636.40/x
  3. Step 3: Cross multiply
    4,229.12x = 5,839.05 × 2,636.40
  4. Step 4: Simplify right side
    4,229.12x = 15,394,071.42
  5. Step 5: Solve for x
    x = 15,394,071.42/4,229.12
  6. Step 6: Final answer
    x = 3,640.02

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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.