Home / 2,160.00-3,232.66-1,380.54

Finding the Fourth Proportional to 2,160.00, 3,232.66 and 1,380.54

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Solution

The fourth proportional to 2,160.00, 3,232.66 and 1,380.54 is: 2,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.00 : 3,232.66 = 1,380.54 : x
  2. Step 2: Convert to fraction form
    2,160.00/3,232.66 = 1,380.54/x
  3. Step 3: Cross multiply
    2,160.00x = 3,232.66 × 1,380.54
  4. Step 4: Simplify right side
    2,160.00x = 4,462,827.70
  5. Step 5: Solve for x
    x = 4,462,827.70/2,160.00
  6. Step 6: Final answer
    x = 2,066.12

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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.