Home / 3,431.75-4,735.83-1,859.85

Finding the Fourth Proportional to 3,431.75, 4,735.83 and 1,859.85

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Solution

The fourth proportional to 3,431.75, 4,735.83 and 1,859.85 is: 2,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.75 : 4,735.83 = 1,859.85 : x
  2. Step 2: Convert to fraction form
    3,431.75/4,735.83 = 1,859.85/x
  3. Step 3: Cross multiply
    3,431.75x = 4,735.83 × 1,859.85
  4. Step 4: Simplify right side
    3,431.75x = 8,807,924.13
  5. Step 5: Solve for x
    x = 8,807,924.13/3,431.75
  6. Step 6: Final answer
    x = 2,566.60

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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.