Home / 2,436.19-3,654.06-681.35

Finding the Fourth Proportional to 2,436.19, 3,654.06 and 681.35

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Solution

The fourth proportional to 2,436.19, 3,654.06 and 681.35 is: 1,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.19 : 3,654.06 = 681.35 : x
  2. Step 2: Convert to fraction form
    2,436.19/3,654.06 = 681.35/x
  3. Step 3: Cross multiply
    2,436.19x = 3,654.06 × 681.35
  4. Step 4: Simplify right side
    2,436.19x = 2,489,707.62
  5. Step 5: Solve for x
    x = 2,489,707.62/2,436.19
  6. Step 6: Final answer
    x = 1,021.97

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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.