Home / 3,447.90-5,170.91-1,499.67

Finding the Fourth Proportional to 3,447.90, 5,170.91 and 1,499.67

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Solution

The fourth proportional to 3,447.90, 5,170.91 and 1,499.67 is: 2,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.90 : 5,170.91 = 1,499.67 : x
  2. Step 2: Convert to fraction form
    3,447.90/5,170.91 = 1,499.67/x
  3. Step 3: Cross multiply
    3,447.90x = 5,170.91 × 1,499.67
  4. Step 4: Simplify right side
    3,447.90x = 7,754,651.10
  5. Step 5: Solve for x
    x = 7,754,651.10/3,447.90
  6. Step 6: Final answer
    x = 2,249.09

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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.