Home / 2,731.74-4,092.72-1,805.94

Finding the Fourth Proportional to 2,731.74, 4,092.72 and 1,805.94

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Solution

The fourth proportional to 2,731.74, 4,092.72 and 1,805.94 is: 2,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.74 : 4,092.72 = 1,805.94 : x
  2. Step 2: Convert to fraction form
    2,731.74/4,092.72 = 1,805.94/x
  3. Step 3: Cross multiply
    2,731.74x = 4,092.72 × 1,805.94
  4. Step 4: Simplify right side
    2,731.74x = 7,391,206.76
  5. Step 5: Solve for x
    x = 7,391,206.76/2,731.74
  6. Step 6: Final answer
    x = 2,705.68

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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.