Home / 3,459.24-5,188.32-1,379.52

Finding the Fourth Proportional to 3,459.24, 5,188.32 and 1,379.52

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Solution

The fourth proportional to 3,459.24, 5,188.32 and 1,379.52 is: 2,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.24 : 5,188.32 = 1,379.52 : x
  2. Step 2: Convert to fraction form
    3,459.24/5,188.32 = 1,379.52/x
  3. Step 3: Cross multiply
    3,459.24x = 5,188.32 × 1,379.52
  4. Step 4: Simplify right side
    3,459.24x = 7,157,391.21
  5. Step 5: Solve for x
    x = 7,157,391.21/3,459.24
  6. Step 6: Final answer
    x = 2,069.06

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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.