Home / 3,902.20-5,851.68-1,304.62

Finding the Fourth Proportional to 3,902.20, 5,851.68 and 1,304.62

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Solution

The fourth proportional to 3,902.20, 5,851.68 and 1,304.62 is: 1,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.20 : 5,851.68 = 1,304.62 : x
  2. Step 2: Convert to fraction form
    3,902.20/5,851.68 = 1,304.62/x
  3. Step 3: Cross multiply
    3,902.20x = 5,851.68 × 1,304.62
  4. Step 4: Simplify right side
    3,902.20x = 7,634,218.76
  5. Step 5: Solve for x
    x = 7,634,218.76/3,902.20
  6. Step 6: Final answer
    x = 1,956.39

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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.