Home / 3,719.25-5,565.54-3,220.64

Finding the Fourth Proportional to 3,719.25, 5,565.54 and 3,220.64

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Solution

The fourth proportional to 3,719.25, 5,565.54 and 3,220.64 is: 4,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.25 : 5,565.54 = 3,220.64 : x
  2. Step 2: Convert to fraction form
    3,719.25/5,565.54 = 3,220.64/x
  3. Step 3: Cross multiply
    3,719.25x = 5,565.54 × 3,220.64
  4. Step 4: Simplify right side
    3,719.25x = 17,924,597.63
  5. Step 5: Solve for x
    x = 17,924,597.63/3,719.25
  6. Step 6: Final answer
    x = 4,819.41

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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.