Home / 3,499.12-5,247.15-1,855.29

Finding the Fourth Proportional to 3,499.12, 5,247.15 and 1,855.29

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Solution

The fourth proportional to 3,499.12, 5,247.15 and 1,855.29 is: 2,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.12 : 5,247.15 = 1,855.29 : x
  2. Step 2: Convert to fraction form
    3,499.12/5,247.15 = 1,855.29/x
  3. Step 3: Cross multiply
    3,499.12x = 5,247.15 × 1,855.29
  4. Step 4: Simplify right side
    3,499.12x = 9,734,984.92
  5. Step 5: Solve for x
    x = 9,734,984.92/3,499.12
  6. Step 6: Final answer
    x = 2,782.12

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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.