Home / 3,451.87-5,177.81-1,260.10

Finding the Fourth Proportional to 3,451.87, 5,177.81 and 1,260.10

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Solution

The fourth proportional to 3,451.87, 5,177.81 and 1,260.10 is: 1,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.87 : 5,177.81 = 1,260.10 : x
  2. Step 2: Convert to fraction form
    3,451.87/5,177.81 = 1,260.10/x
  3. Step 3: Cross multiply
    3,451.87x = 5,177.81 × 1,260.10
  4. Step 4: Simplify right side
    3,451.87x = 6,524,558.38
  5. Step 5: Solve for x
    x = 6,524,558.38/3,451.87
  6. Step 6: Final answer
    x = 1,890.15

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Similar ratio
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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.