Home / 1,939.16-2,902.98-1,167.32

Finding the Fourth Proportional to 1,939.16, 2,902.98 and 1,167.32

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Solution

The fourth proportional to 1,939.16, 2,902.98 and 1,167.32 is: 1,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.16 : 2,902.98 = 1,167.32 : x
  2. Step 2: Convert to fraction form
    1,939.16/2,902.98 = 1,167.32/x
  3. Step 3: Cross multiply
    1,939.16x = 2,902.98 × 1,167.32
  4. Step 4: Simplify right side
    1,939.16x = 3,388,706.61
  5. Step 5: Solve for x
    x = 3,388,706.61/1,939.16
  6. Step 6: Final answer
    x = 1,747.51

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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.