Home / 3,449.32-5,170.62-1,907.08

Finding the Fourth Proportional to 3,449.32, 5,170.62 and 1,907.08

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Solution

The fourth proportional to 3,449.32, 5,170.62 and 1,907.08 is: 2,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.32 : 5,170.62 = 1,907.08 : x
  2. Step 2: Convert to fraction form
    3,449.32/5,170.62 = 1,907.08/x
  3. Step 3: Cross multiply
    3,449.32x = 5,170.62 × 1,907.08
  4. Step 4: Simplify right side
    3,449.32x = 9,860,785.99
  5. Step 5: Solve for x
    x = 9,860,785.99/3,449.32
  6. Step 6: Final answer
    x = 2,858.76

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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.