Home / 3,431.80-4,735.46-2,436.72

Finding the Fourth Proportional to 3,431.80, 4,735.46 and 2,436.72

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Solution

The fourth proportional to 3,431.80, 4,735.46 and 2,436.72 is: 3,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.80 : 4,735.46 = 2,436.72 : x
  2. Step 2: Convert to fraction form
    3,431.80/4,735.46 = 2,436.72/x
  3. Step 3: Cross multiply
    3,431.80x = 4,735.46 × 2,436.72
  4. Step 4: Simplify right side
    3,431.80x = 11,538,978.43
  5. Step 5: Solve for x
    x = 11,538,978.43/3,431.80
  6. Step 6: Final answer
    x = 3,362.37

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1.5x scale

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.