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Finding the Fourth Proportional to 2,304.21, 3,455.85 and 660.93

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Solution

The fourth proportional to 2,304.21, 3,455.85 and 660.93 is: 991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.21 : 3,455.85 = 660.93 : x
  2. Step 2: Convert to fraction form
    2,304.21/3,455.85 = 660.93/x
  3. Step 3: Cross multiply
    2,304.21x = 3,455.85 × 660.93
  4. Step 4: Simplify right side
    2,304.21x = 2,284,074.94
  5. Step 5: Solve for x
    x = 2,284,074.94/2,304.21
  6. Step 6: Final answer
    x = 991.26

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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.