Home / 3,162.24-4,363.92-1,836

Finding the Fourth Proportional to 3,162.24, 4,363.92 and 1,836

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Solution

The fourth proportional to 3,162.24, 4,363.92 and 1,836 is: 2,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.24 : 4,363.92 = 1,836 : x
  2. Step 2: Convert to fraction form
    3,162.24/4,363.92 = 1,836/x
  3. Step 3: Cross multiply
    3,162.24x = 4,363.92 × 1,836
  4. Step 4: Simplify right side
    3,162.24x = 8,012,157.12
  5. Step 5: Solve for x
    x = 8,012,157.12/3,162.24
  6. Step 6: Final answer
    x = 2,533.70

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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.