Home / 3,614.58-4,988.69-2,198.71

Finding the Fourth Proportional to 3,614.58, 4,988.69 and 2,198.71

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Solution

The fourth proportional to 3,614.58, 4,988.69 and 2,198.71 is: 3,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.58 : 4,988.69 = 2,198.71 : x
  2. Step 2: Convert to fraction form
    3,614.58/4,988.69 = 2,198.71/x
  3. Step 3: Cross multiply
    3,614.58x = 4,988.69 × 2,198.71
  4. Step 4: Simplify right side
    3,614.58x = 10,968,682.59
  5. Step 5: Solve for x
    x = 10,968,682.59/3,614.58
  6. Step 6: Final answer
    x = 3,034.57

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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.