Home / 3,682.59-5,515.38-2,218.52

Finding the Fourth Proportional to 3,682.59, 5,515.38 and 2,218.52

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Solution

The fourth proportional to 3,682.59, 5,515.38 and 2,218.52 is: 3,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.59 : 5,515.38 = 2,218.52 : x
  2. Step 2: Convert to fraction form
    3,682.59/5,515.38 = 2,218.52/x
  3. Step 3: Cross multiply
    3,682.59x = 5,515.38 × 2,218.52
  4. Step 4: Simplify right side
    3,682.59x = 12,235,953.26
  5. Step 5: Solve for x
    x = 12,235,953.26/3,682.59
  6. Step 6: Final answer
    x = 3,322.65

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1.5x scale

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.