Home / 3,614.82-4,989.39-2,218.74

Finding the Fourth Proportional to 3,614.82, 4,989.39 and 2,218.74

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Solution

The fourth proportional to 3,614.82, 4,989.39 and 2,218.74 is: 3,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.82 : 4,989.39 = 2,218.74 : x
  2. Step 2: Convert to fraction form
    3,614.82/4,989.39 = 2,218.74/x
  3. Step 3: Cross multiply
    3,614.82x = 4,989.39 × 2,218.74
  4. Step 4: Simplify right side
    3,614.82x = 11,070,159.17
  5. Step 5: Solve for x
    x = 11,070,159.17/3,614.82
  6. Step 6: Final answer
    x = 3,062.44

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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.