Home / 3,245.34-4,872.20-2,786.07

Finding the Fourth Proportional to 3,245.34, 4,872.20 and 2,786.07

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Solution

The fourth proportional to 3,245.34, 4,872.20 and 2,786.07 is: 4,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.34 : 4,872.20 = 2,786.07 : x
  2. Step 2: Convert to fraction form
    3,245.34/4,872.20 = 2,786.07/x
  3. Step 3: Cross multiply
    3,245.34x = 4,872.20 × 2,786.07
  4. Step 4: Simplify right side
    3,245.34x = 13,574,276.32
  5. Step 5: Solve for x
    x = 13,574,276.32/3,245.34
  6. Step 6: Final answer
    x = 4,182.70

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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.