Home / 3,135.46-4,703.21-2,549.78

Finding the Fourth Proportional to 3,135.46, 4,703.21 and 2,549.78

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Solution

The fourth proportional to 3,135.46, 4,703.21 and 2,549.78 is: 3,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.46 : 4,703.21 = 2,549.78 : x
  2. Step 2: Convert to fraction form
    3,135.46/4,703.21 = 2,549.78/x
  3. Step 3: Cross multiply
    3,135.46x = 4,703.21 × 2,549.78
  4. Step 4: Simplify right side
    3,135.46x = 11,992,156.07
  5. Step 5: Solve for x
    x = 11,992,156.07/3,135.46
  6. Step 6: Final answer
    x = 3,824.69

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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.