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Finding the Fourth Proportional to 2,304.70, 3,454.31 and 1,328.79

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Solution

The fourth proportional to 2,304.70, 3,454.31 and 1,328.79 is: 1,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.70 : 3,454.31 = 1,328.79 : x
  2. Step 2: Convert to fraction form
    2,304.70/3,454.31 = 1,328.79/x
  3. Step 3: Cross multiply
    2,304.70x = 3,454.31 × 1,328.79
  4. Step 4: Simplify right side
    2,304.70x = 4,590,052.58
  5. Step 5: Solve for x
    x = 4,590,052.58/2,304.70
  6. Step 6: Final answer
    x = 1,991.61

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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.