Home / 3,218.83-4,438.48-2,795.44

Finding the Fourth Proportional to 3,218.83, 4,438.48 and 2,795.44

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Solution

The fourth proportional to 3,218.83, 4,438.48 and 2,795.44 is: 3,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.83 : 4,438.48 = 2,795.44 : x
  2. Step 2: Convert to fraction form
    3,218.83/4,438.48 = 2,795.44/x
  3. Step 3: Cross multiply
    3,218.83x = 4,438.48 × 2,795.44
  4. Step 4: Simplify right side
    3,218.83x = 12,407,504.53
  5. Step 5: Solve for x
    x = 12,407,504.53/3,218.83
  6. Step 6: Final answer
    x = 3,854.66

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1.5x scale

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.