Home / 3,289.26-4,932-1,339.32

Finding the Fourth Proportional to 3,289.26, 4,932 and 1,339.32

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Solution

The fourth proportional to 3,289.26, 4,932 and 1,339.32 is: 2,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.26 : 4,932 = 1,339.32 : x
  2. Step 2: Convert to fraction form
    3,289.26/4,932 = 1,339.32/x
  3. Step 3: Cross multiply
    3,289.26x = 4,932 × 1,339.32
  4. Step 4: Simplify right side
    3,289.26x = 6,605,526.24
  5. Step 5: Solve for x
    x = 6,605,526.24/3,289.26
  6. Step 6: Final answer
    x = 2,008.21

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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.