Home / 3,598.26-5,391.18-2,809.20

Finding the Fourth Proportional to 3,598.26, 5,391.18 and 2,809.20

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Solution

The fourth proportional to 3,598.26, 5,391.18 and 2,809.20 is: 4,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.26 : 5,391.18 = 2,809.20 : x
  2. Step 2: Convert to fraction form
    3,598.26/5,391.18 = 2,809.20/x
  3. Step 3: Cross multiply
    3,598.26x = 5,391.18 × 2,809.20
  4. Step 4: Simplify right side
    3,598.26x = 15,144,902.86
  5. Step 5: Solve for x
    x = 15,144,902.86/3,598.26
  6. Step 6: Final answer
    x = 4,208.95

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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.