Home / 3,255.96-4,872.90-2,213.40

Finding the Fourth Proportional to 3,255.96, 4,872.90 and 2,213.40

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Solution

The fourth proportional to 3,255.96, 4,872.90 and 2,213.40 is: 3,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.96 : 4,872.90 = 2,213.40 : x
  2. Step 2: Convert to fraction form
    3,255.96/4,872.90 = 2,213.40/x
  3. Step 3: Cross multiply
    3,255.96x = 4,872.90 × 2,213.40
  4. Step 4: Simplify right side
    3,255.96x = 10,785,676.86
  5. Step 5: Solve for x
    x = 10,785,676.86/3,255.96
  6. Step 6: Final answer
    x = 3,312.60

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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.