Home / 3,328.38-4,989.21-2,159.13

Finding the Fourth Proportional to 3,328.38, 4,989.21 and 2,159.13

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Solution

The fourth proportional to 3,328.38, 4,989.21 and 2,159.13 is: 3,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.38 : 4,989.21 = 2,159.13 : x
  2. Step 2: Convert to fraction form
    3,328.38/4,989.21 = 2,159.13/x
  3. Step 3: Cross multiply
    3,328.38x = 4,989.21 × 2,159.13
  4. Step 4: Simplify right side
    3,328.38x = 10,772,352.99
  5. Step 5: Solve for x
    x = 10,772,352.99/3,328.38
  6. Step 6: Final answer
    x = 3,236.52

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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.