Home / 1,683.03-2,322.51-936.96

Finding the Fourth Proportional to 1,683.03, 2,322.51 and 936.96

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Solution

The fourth proportional to 1,683.03, 2,322.51 and 936.96 is: 1,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.03 : 2,322.51 = 936.96 : x
  2. Step 2: Convert to fraction form
    1,683.03/2,322.51 = 936.96/x
  3. Step 3: Cross multiply
    1,683.03x = 2,322.51 × 936.96
  4. Step 4: Simplify right side
    1,683.03x = 2,176,098.97
  5. Step 5: Solve for x
    x = 2,176,098.97/1,683.03
  6. Step 6: Final answer
    x = 1,292.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.