Home / 3,475.62-5,212.50-1,625.78

Finding the Fourth Proportional to 3,475.62, 5,212.50 and 1,625.78

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Solution

The fourth proportional to 3,475.62, 5,212.50 and 1,625.78 is: 2,438.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.62 : 5,212.50 = 1,625.78 : x
  2. Step 2: Convert to fraction form
    3,475.62/5,212.50 = 1,625.78/x
  3. Step 3: Cross multiply
    3,475.62x = 5,212.50 × 1,625.78
  4. Step 4: Simplify right side
    3,475.62x = 8,474,352.19
  5. Step 5: Solve for x
    x = 8,474,352.19/3,475.62
  6. Step 6: Final answer
    x = 2,438.23

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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.