Home / 3,824.46-5,740.29-1,878.06

Finding the Fourth Proportional to 3,824.46, 5,740.29 and 1,878.06

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Solution

The fourth proportional to 3,824.46, 5,740.29 and 1,878.06 is: 2,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.46 : 5,740.29 = 1,878.06 : x
  2. Step 2: Convert to fraction form
    3,824.46/5,740.29 = 1,878.06/x
  3. Step 3: Cross multiply
    3,824.46x = 5,740.29 × 1,878.06
  4. Step 4: Simplify right side
    3,824.46x = 10,780,609.04
  5. Step 5: Solve for x
    x = 10,780,609.04/3,824.46
  6. Step 6: Final answer
    x = 2,818.86

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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.