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Finding the Fourth Proportional to 2,304.49, 3,456.74 and 661.14

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Solution

The fourth proportional to 2,304.49, 3,456.74 and 661.14 is: 991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.49 : 3,456.74 = 661.14 : x
  2. Step 2: Convert to fraction form
    2,304.49/3,456.74 = 661.14/x
  3. Step 3: Cross multiply
    2,304.49x = 3,456.74 × 661.14
  4. Step 4: Simplify right side
    2,304.49x = 2,285,389.08
  5. Step 5: Solve for x
    x = 2,285,389.08/2,304.49
  6. Step 6: Final answer
    x = 991.71

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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.