Home / 3,397.20-5,086.08-2,223.36

Finding the Fourth Proportional to 3,397.20, 5,086.08 and 2,223.36

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Solution

The fourth proportional to 3,397.20, 5,086.08 and 2,223.36 is: 3,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.20 : 5,086.08 = 2,223.36 : x
  2. Step 2: Convert to fraction form
    3,397.20/5,086.08 = 2,223.36/x
  3. Step 3: Cross multiply
    3,397.20x = 5,086.08 × 2,223.36
  4. Step 4: Simplify right side
    3,397.20x = 11,308,186.83
  5. Step 5: Solve for x
    x = 11,308,186.83/3,397.20
  6. Step 6: Final answer
    x = 3,328.68

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1.5x scale

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.