Home / 3,864.18-5,320.32-3,023.82

Finding the Fourth Proportional to 3,864.18, 5,320.32 and 3,023.82

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Solution

The fourth proportional to 3,864.18, 5,320.32 and 3,023.82 is: 4,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.18 : 5,320.32 = 3,023.82 : x
  2. Step 2: Convert to fraction form
    3,864.18/5,320.32 = 3,023.82/x
  3. Step 3: Cross multiply
    3,864.18x = 5,320.32 × 3,023.82
  4. Step 4: Simplify right side
    3,864.18x = 16,087,690.02
  5. Step 5: Solve for x
    x = 16,087,690.02/3,864.18
  6. Step 6: Final answer
    x = 4,163.29

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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.