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Finding the Fourth Proportional to 3,536.28, 5,304.41 and 903.79

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Solution

The fourth proportional to 3,536.28, 5,304.41 and 903.79 is: 1,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.28 : 5,304.41 = 903.79 : x
  2. Step 2: Convert to fraction form
    3,536.28/5,304.41 = 903.79/x
  3. Step 3: Cross multiply
    3,536.28x = 5,304.41 × 903.79
  4. Step 4: Simplify right side
    3,536.28x = 4,794,048.38
  5. Step 5: Solve for x
    x = 4,794,048.38/3,536.28
  6. Step 6: Final answer
    x = 1,355.68

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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.