Home / 3,162.25-4,363.95-1,765

Finding the Fourth Proportional to 3,162.25, 4,363.95 and 1,765

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Solution

The fourth proportional to 3,162.25, 4,363.95 and 1,765 is: 2,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.25 : 4,363.95 = 1,765 : x
  2. Step 2: Convert to fraction form
    3,162.25/4,363.95 = 1,765/x
  3. Step 3: Cross multiply
    3,162.25x = 4,363.95 × 1,765
  4. Step 4: Simplify right side
    3,162.25x = 7,702,371.75
  5. Step 5: Solve for x
    x = 7,702,371.75/3,162.25
  6. Step 6: Final answer
    x = 2,435.73

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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.