Home / 3,474.80-4,795.08-1,902.86

Finding the Fourth Proportional to 3,474.80, 4,795.08 and 1,902.86

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Solution

The fourth proportional to 3,474.80, 4,795.08 and 1,902.86 is: 2,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.80 : 4,795.08 = 1,902.86 : x
  2. Step 2: Convert to fraction form
    3,474.80/4,795.08 = 1,902.86/x
  3. Step 3: Cross multiply
    3,474.80x = 4,795.08 × 1,902.86
  4. Step 4: Simplify right side
    3,474.80x = 9,124,365.93
  5. Step 5: Solve for x
    x = 9,124,365.93/3,474.80
  6. Step 6: Final answer
    x = 2,625.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.