Home / 2,218.53-3,327.51-575.19

Finding the Fourth Proportional to 2,218.53, 3,327.51 and 575.19

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Solution

The fourth proportional to 2,218.53, 3,327.51 and 575.19 is: 862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.53 : 3,327.51 = 575.19 : x
  2. Step 2: Convert to fraction form
    2,218.53/3,327.51 = 575.19/x
  3. Step 3: Cross multiply
    2,218.53x = 3,327.51 × 575.19
  4. Step 4: Simplify right side
    2,218.53x = 1,913,950.48
  5. Step 5: Solve for x
    x = 1,913,950.48/2,218.53
  6. Step 6: Final answer
    x = 862.71

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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.