Home / 3,864.51-5,785.83-2,399.22

Finding the Fourth Proportional to 3,864.51, 5,785.83 and 2,399.22

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Solution

The fourth proportional to 3,864.51, 5,785.83 and 2,399.22 is: 3,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.51 : 5,785.83 = 2,399.22 : x
  2. Step 2: Convert to fraction form
    3,864.51/5,785.83 = 2,399.22/x
  3. Step 3: Cross multiply
    3,864.51x = 5,785.83 × 2,399.22
  4. Step 4: Simplify right side
    3,864.51x = 13,881,479.05
  5. Step 5: Solve for x
    x = 13,881,479.05/3,864.51
  6. Step 6: Final answer
    x = 3,592.04

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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.