Home / 3,640.50-5,462.73-1,449.23

Finding the Fourth Proportional to 3,640.50, 5,462.73 and 1,449.23

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Solution

The fourth proportional to 3,640.50, 5,462.73 and 1,449.23 is: 2,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.50 : 5,462.73 = 1,449.23 : x
  2. Step 2: Convert to fraction form
    3,640.50/5,462.73 = 1,449.23/x
  3. Step 3: Cross multiply
    3,640.50x = 5,462.73 × 1,449.23
  4. Step 4: Simplify right side
    3,640.50x = 7,916,724.88
  5. Step 5: Solve for x
    x = 7,916,724.88/3,640.50
  6. Step 6: Final answer
    x = 2,174.63

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1.5x scale

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.