Home / 3,162.33-4,743.49-1,872

Finding the Fourth Proportional to 3,162.33, 4,743.49 and 1,872

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Solution

The fourth proportional to 3,162.33, 4,743.49 and 1,872 is: 2,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.33 : 4,743.49 = 1,872 : x
  2. Step 2: Convert to fraction form
    3,162.33/4,743.49 = 1,872/x
  3. Step 3: Cross multiply
    3,162.33x = 4,743.49 × 1,872
  4. Step 4: Simplify right side
    3,162.33x = 8,879,813.28
  5. Step 5: Solve for x
    x = 8,879,813.28/3,162.33
  6. Step 6: Final answer
    x = 2,808.00

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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.