Home / 3,162.15-4,743.26-1,406.75

Finding the Fourth Proportional to 3,162.15, 4,743.26 and 1,406.75

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Solution

The fourth proportional to 3,162.15, 4,743.26 and 1,406.75 is: 2,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.15 : 4,743.26 = 1,406.75 : x
  2. Step 2: Convert to fraction form
    3,162.15/4,743.26 = 1,406.75/x
  3. Step 3: Cross multiply
    3,162.15x = 4,743.26 × 1,406.75
  4. Step 4: Simplify right side
    3,162.15x = 6,672,550.25
  5. Step 5: Solve for x
    x = 6,672,550.25/3,162.15
  6. Step 6: Final answer
    x = 2,110.13

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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.