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Finding the Fourth Proportional to 3,195, 4,410.42 and 2,118.24

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Solution

The fourth proportional to 3,195, 4,410.42 and 2,118.24 is: 2,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195 : 4,410.42 = 2,118.24 : x
  2. Step 2: Convert to fraction form
    3,195/4,410.42 = 2,118.24/x
  3. Step 3: Cross multiply
    3,195x = 4,410.42 × 2,118.24
  4. Step 4: Simplify right side
    3,195x = 9,342,328.06
  5. Step 5: Solve for x
    x = 9,342,328.06/3,195
  6. Step 6: Final answer
    x = 2,924.05

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Double scale
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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.