Home / 3,479.77-5,217.93-2,165.18

Finding the Fourth Proportional to 3,479.77, 5,217.93 and 2,165.18

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Solution

The fourth proportional to 3,479.77, 5,217.93 and 2,165.18 is: 3,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.77 : 5,217.93 = 2,165.18 : x
  2. Step 2: Convert to fraction form
    3,479.77/5,217.93 = 2,165.18/x
  3. Step 3: Cross multiply
    3,479.77x = 5,217.93 × 2,165.18
  4. Step 4: Simplify right side
    3,479.77x = 11,297,757.68
  5. Step 5: Solve for x
    x = 11,297,757.68/3,479.77
  6. Step 6: Final answer
    x = 3,246.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.