Home / 3,230.00-4,454.96-2,782.63

Finding the Fourth Proportional to 3,230.00, 4,454.96 and 2,782.63

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Solution

The fourth proportional to 3,230.00, 4,454.96 and 2,782.63 is: 3,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.00 : 4,454.96 = 2,782.63 : x
  2. Step 2: Convert to fraction form
    3,230.00/4,454.96 = 2,782.63/x
  3. Step 3: Cross multiply
    3,230.00x = 4,454.96 × 2,782.63
  4. Step 4: Simplify right side
    3,230.00x = 12,396,476.11
  5. Step 5: Solve for x
    x = 12,396,476.11/3,230.00
  6. Step 6: Final answer
    x = 3,837.92

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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.