Home / 3,740.89-5,162.42-2,169.88

Finding the Fourth Proportional to 3,740.89, 5,162.42 and 2,169.88

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Solution

The fourth proportional to 3,740.89, 5,162.42 and 2,169.88 is: 2,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.89 : 5,162.42 = 2,169.88 : x
  2. Step 2: Convert to fraction form
    3,740.89/5,162.42 = 2,169.88/x
  3. Step 3: Cross multiply
    3,740.89x = 5,162.42 × 2,169.88
  4. Step 4: Simplify right side
    3,740.89x = 11,201,821.06
  5. Step 5: Solve for x
    x = 11,201,821.06/3,740.89
  6. Step 6: Final answer
    x = 2,994.43

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1.5x scale

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.