Home / 4,145.56-5,720.97-2,257.02

Finding the Fourth Proportional to 4,145.56, 5,720.97 and 2,257.02

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Solution

The fourth proportional to 4,145.56, 5,720.97 and 2,257.02 is: 3,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.56 : 5,720.97 = 2,257.02 : x
  2. Step 2: Convert to fraction form
    4,145.56/5,720.97 = 2,257.02/x
  3. Step 3: Cross multiply
    4,145.56x = 5,720.97 × 2,257.02
  4. Step 4: Simplify right side
    4,145.56x = 12,912,335.05
  5. Step 5: Solve for x
    x = 12,912,335.05/4,145.56
  6. Step 6: Final answer
    x = 3,114.74

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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.