Home / 3,822.15-5,722.29-2,351.40

Finding the Fourth Proportional to 3,822.15, 5,722.29 and 2,351.40

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Solution

The fourth proportional to 3,822.15, 5,722.29 and 2,351.40 is: 3,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.15 : 5,722.29 = 2,351.40 : x
  2. Step 2: Convert to fraction form
    3,822.15/5,722.29 = 2,351.40/x
  3. Step 3: Cross multiply
    3,822.15x = 5,722.29 × 2,351.40
  4. Step 4: Simplify right side
    3,822.15x = 13,455,392.71
  5. Step 5: Solve for x
    x = 13,455,392.71/3,822.15
  6. Step 6: Final answer
    x = 3,520.37

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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.