Home / 3,619.07-4,994.22-2,126.64

Finding the Fourth Proportional to 3,619.07, 4,994.22 and 2,126.64

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Solution

The fourth proportional to 3,619.07, 4,994.22 and 2,126.64 is: 2,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.07 : 4,994.22 = 2,126.64 : x
  2. Step 2: Convert to fraction form
    3,619.07/4,994.22 = 2,126.64/x
  3. Step 3: Cross multiply
    3,619.07x = 4,994.22 × 2,126.64
  4. Step 4: Simplify right side
    3,619.07x = 10,620,908.02
  5. Step 5: Solve for x
    x = 10,620,908.02/3,619.07
  6. Step 6: Final answer
    x = 2,934.71

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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.