Home / 3,431.68-5,137.80-2,334.40

Finding the Fourth Proportional to 3,431.68, 5,137.80 and 2,334.40

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Solution

The fourth proportional to 3,431.68, 5,137.80 and 2,334.40 is: 3,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.68 : 5,137.80 = 2,334.40 : x
  2. Step 2: Convert to fraction form
    3,431.68/5,137.80 = 2,334.40/x
  3. Step 3: Cross multiply
    3,431.68x = 5,137.80 × 2,334.40
  4. Step 4: Simplify right side
    3,431.68x = 11,993,680.32
  5. Step 5: Solve for x
    x = 11,993,680.32/3,431.68
  6. Step 6: Final answer
    x = 3,494.99

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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.