Home / 2,606.03-3,908.30-939.92

Finding the Fourth Proportional to 2,606.03, 3,908.30 and 939.92

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Solution

The fourth proportional to 2,606.03, 3,908.30 and 939.92 is: 1,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.03 : 3,908.30 = 939.92 : x
  2. Step 2: Convert to fraction form
    2,606.03/3,908.30 = 939.92/x
  3. Step 3: Cross multiply
    2,606.03x = 3,908.30 × 939.92
  4. Step 4: Simplify right side
    2,606.03x = 3,673,465.09
  5. Step 5: Solve for x
    x = 3,673,465.09/2,606.03
  6. Step 6: Final answer
    x = 1,409.60

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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.