Home / 3,451.01-5,165.78-2,219.54

Finding the Fourth Proportional to 3,451.01, 5,165.78 and 2,219.54

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Solution

The fourth proportional to 3,451.01, 5,165.78 and 2,219.54 is: 3,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.01 : 5,165.78 = 2,219.54 : x
  2. Step 2: Convert to fraction form
    3,451.01/5,165.78 = 2,219.54/x
  3. Step 3: Cross multiply
    3,451.01x = 5,165.78 × 2,219.54
  4. Step 4: Simplify right side
    3,451.01x = 11,465,618.41
  5. Step 5: Solve for x
    x = 11,465,618.41/3,451.01
  6. Step 6: Final answer
    x = 3,322.40

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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.