Home / 3,427.12-5,137.58-1,234.30

Finding the Fourth Proportional to 3,427.12, 5,137.58 and 1,234.30

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Solution

The fourth proportional to 3,427.12, 5,137.58 and 1,234.30 is: 1,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.12 : 5,137.58 = 1,234.30 : x
  2. Step 2: Convert to fraction form
    3,427.12/5,137.58 = 1,234.30/x
  3. Step 3: Cross multiply
    3,427.12x = 5,137.58 × 1,234.30
  4. Step 4: Simplify right side
    3,427.12x = 6,341,314.99
  5. Step 5: Solve for x
    x = 6,341,314.99/3,427.12
  6. Step 6: Final answer
    x = 1,850.33

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1.5x scale

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.