Home / 3,740.43-5,161.56-2,061.90

Finding the Fourth Proportional to 3,740.43, 5,161.56 and 2,061.90

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Solution

The fourth proportional to 3,740.43, 5,161.56 and 2,061.90 is: 2,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.43 : 5,161.56 = 2,061.90 : x
  2. Step 2: Convert to fraction form
    3,740.43/5,161.56 = 2,061.90/x
  3. Step 3: Cross multiply
    3,740.43x = 5,161.56 × 2,061.90
  4. Step 4: Simplify right side
    3,740.43x = 10,642,638.62
  5. Step 5: Solve for x
    x = 10,642,638.62/3,740.43
  6. Step 6: Final answer
    x = 2,845.30

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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.