Home / 3,218.13-4,827.96-2,775.24

Finding the Fourth Proportional to 3,218.13, 4,827.96 and 2,775.24

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Solution

The fourth proportional to 3,218.13, 4,827.96 and 2,775.24 is: 4,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.13 : 4,827.96 = 2,775.24 : x
  2. Step 2: Convert to fraction form
    3,218.13/4,827.96 = 2,775.24/x
  3. Step 3: Cross multiply
    3,218.13x = 4,827.96 × 2,775.24
  4. Step 4: Simplify right side
    3,218.13x = 13,398,747.71
  5. Step 5: Solve for x
    x = 13,398,747.71/3,218.13
  6. Step 6: Final answer
    x = 4,163.52

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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.