Home / 3,467.91-5,202.30-1,278.18

Finding the Fourth Proportional to 3,467.91, 5,202.30 and 1,278.18

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Solution

The fourth proportional to 3,467.91, 5,202.30 and 1,278.18 is: 1,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.91 : 5,202.30 = 1,278.18 : x
  2. Step 2: Convert to fraction form
    3,467.91/5,202.30 = 1,278.18/x
  3. Step 3: Cross multiply
    3,467.91x = 5,202.30 × 1,278.18
  4. Step 4: Simplify right side
    3,467.91x = 6,649,475.81
  5. Step 5: Solve for x
    x = 6,649,475.81/3,467.91
  6. Step 6: Final answer
    x = 1,917.43

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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.