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Finding the Fourth Proportional to 2,309.41, 3,463.59 and 665.59

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Solution

The fourth proportional to 2,309.41, 3,463.59 and 665.59 is: 998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.41 : 3,463.59 = 665.59 : x
  2. Step 2: Convert to fraction form
    2,309.41/3,463.59 = 665.59/x
  3. Step 3: Cross multiply
    2,309.41x = 3,463.59 × 665.59
  4. Step 4: Simplify right side
    2,309.41x = 2,305,330.87
  5. Step 5: Solve for x
    x = 2,305,330.87/2,309.41
  6. Step 6: Final answer
    x = 998.23

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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.