Home / 3,640.28-5,458.58-1,447.82

Finding the Fourth Proportional to 3,640.28, 5,458.58 and 1,447.82

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Solution

The fourth proportional to 3,640.28, 5,458.58 and 1,447.82 is: 2,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.28 : 5,458.58 = 1,447.82 : x
  2. Step 2: Convert to fraction form
    3,640.28/5,458.58 = 1,447.82/x
  3. Step 3: Cross multiply
    3,640.28x = 5,458.58 × 1,447.82
  4. Step 4: Simplify right side
    3,640.28x = 7,903,041.30
  5. Step 5: Solve for x
    x = 7,903,041.30/3,640.28
  6. Step 6: Final answer
    x = 2,171.00

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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.