Home / 3,620.49-4,993.21-2,956.18

Finding the Fourth Proportional to 3,620.49, 4,993.21 and 2,956.18

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Solution

The fourth proportional to 3,620.49, 4,993.21 and 2,956.18 is: 4,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.49 : 4,993.21 = 2,956.18 : x
  2. Step 2: Convert to fraction form
    3,620.49/4,993.21 = 2,956.18/x
  3. Step 3: Cross multiply
    3,620.49x = 4,993.21 × 2,956.18
  4. Step 4: Simplify right side
    3,620.49x = 14,760,827.54
  5. Step 5: Solve for x
    x = 14,760,827.54/3,620.49
  6. Step 6: Final answer
    x = 4,077.02

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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.