Home / 3,425.85-5,135.63-1,234.04

Finding the Fourth Proportional to 3,425.85, 5,135.63 and 1,234.04

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Solution

The fourth proportional to 3,425.85, 5,135.63 and 1,234.04 is: 1,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.85 : 5,135.63 = 1,234.04 : x
  2. Step 2: Convert to fraction form
    3,425.85/5,135.63 = 1,234.04/x
  3. Step 3: Cross multiply
    3,425.85x = 5,135.63 × 1,234.04
  4. Step 4: Simplify right side
    3,425.85x = 6,337,579.51
  5. Step 5: Solve for x
    x = 6,337,579.51/3,425.85
  6. Step 6: Final answer
    x = 1,849.93

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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.