Home / 4,231.85-6,345.34-2,255.04

Finding the Fourth Proportional to 4,231.85, 6,345.34 and 2,255.04

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Solution

The fourth proportional to 4,231.85, 6,345.34 and 2,255.04 is: 3,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.85 : 6,345.34 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    4,231.85/6,345.34 = 2,255.04/x
  3. Step 3: Cross multiply
    4,231.85x = 6,345.34 × 2,255.04
  4. Step 4: Simplify right side
    4,231.85x = 14,308,989.88
  5. Step 5: Solve for x
    x = 14,308,989.88/4,231.85
  6. Step 6: Final answer
    x = 3,381.27

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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.