Home / 2,740.44-3,781.26-1,621.92

Finding the Fourth Proportional to 2,740.44, 3,781.26 and 1,621.92

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Solution

The fourth proportional to 2,740.44, 3,781.26 and 1,621.92 is: 2,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.44 : 3,781.26 = 1,621.92 : x
  2. Step 2: Convert to fraction form
    2,740.44/3,781.26 = 1,621.92/x
  3. Step 3: Cross multiply
    2,740.44x = 3,781.26 × 1,621.92
  4. Step 4: Simplify right side
    2,740.44x = 6,132,901.22
  5. Step 5: Solve for x
    x = 6,132,901.22/2,740.44
  6. Step 6: Final answer
    x = 2,237.93

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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.