Home / 2,936.32-4,402.92-1,290.96

Finding the Fourth Proportional to 2,936.32, 4,402.92 and 1,290.96

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Solution

The fourth proportional to 2,936.32, 4,402.92 and 1,290.96 is: 1,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.32 : 4,402.92 = 1,290.96 : x
  2. Step 2: Convert to fraction form
    2,936.32/4,402.92 = 1,290.96/x
  3. Step 3: Cross multiply
    2,936.32x = 4,402.92 × 1,290.96
  4. Step 4: Simplify right side
    2,936.32x = 5,683,993.60
  5. Step 5: Solve for x
    x = 5,683,993.60/2,936.32
  6. Step 6: Final answer
    x = 1,935.75

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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.