Home / 4,145.37-5,720.76-2,257.08

Finding the Fourth Proportional to 4,145.37, 5,720.76 and 2,257.08

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Solution

The fourth proportional to 4,145.37, 5,720.76 and 2,257.08 is: 3,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.37 : 5,720.76 = 2,257.08 : x
  2. Step 2: Convert to fraction form
    4,145.37/5,720.76 = 2,257.08/x
  3. Step 3: Cross multiply
    4,145.37x = 5,720.76 × 2,257.08
  4. Step 4: Simplify right side
    4,145.37x = 12,912,212.98
  5. Step 5: Solve for x
    x = 12,912,212.98/4,145.37
  6. Step 6: Final answer
    x = 3,114.85

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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.