Home / 3,618.22-4,993.20-2,126.18

Finding the Fourth Proportional to 3,618.22, 4,993.20 and 2,126.18

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Solution

The fourth proportional to 3,618.22, 4,993.20 and 2,126.18 is: 2,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.22 : 4,993.20 = 2,126.18 : x
  2. Step 2: Convert to fraction form
    3,618.22/4,993.20 = 2,126.18/x
  3. Step 3: Cross multiply
    3,618.22x = 4,993.20 × 2,126.18
  4. Step 4: Simplify right side
    3,618.22x = 10,616,441.98
  5. Step 5: Solve for x
    x = 10,616,441.98/3,618.22
  6. Step 6: Final answer
    x = 2,934.16

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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.