Home / 3,451.41-5,177.86-1,260.16

Finding the Fourth Proportional to 3,451.41, 5,177.86 and 1,260.16

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Solution

The fourth proportional to 3,451.41, 5,177.86 and 1,260.16 is: 1,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.41 : 5,177.86 = 1,260.16 : x
  2. Step 2: Convert to fraction form
    3,451.41/5,177.86 = 1,260.16/x
  3. Step 3: Cross multiply
    3,451.41x = 5,177.86 × 1,260.16
  4. Step 4: Simplify right side
    3,451.41x = 6,524,915.96
  5. Step 5: Solve for x
    x = 6,524,915.96/3,451.41
  6. Step 6: Final answer
    x = 1,890.51

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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.