Home / 3,305.81-4,981.88-3,098.18

Finding the Fourth Proportional to 3,305.81, 4,981.88 and 3,098.18

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Solution

The fourth proportional to 3,305.81, 4,981.88 and 3,098.18 is: 4,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.81 : 4,981.88 = 3,098.18 : x
  2. Step 2: Convert to fraction form
    3,305.81/4,981.88 = 3,098.18/x
  3. Step 3: Cross multiply
    3,305.81x = 4,981.88 × 3,098.18
  4. Step 4: Simplify right side
    3,305.81x = 15,434,720.58
  5. Step 5: Solve for x
    x = 15,434,720.58/3,305.81
  6. Step 6: Final answer
    x = 4,668.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.