Home / 3,735.42-5,153.73-2,163.21

Finding the Fourth Proportional to 3,735.42, 5,153.73 and 2,163.21

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Solution

The fourth proportional to 3,735.42, 5,153.73 and 2,163.21 is: 2,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.42 : 5,153.73 = 2,163.21 : x
  2. Step 2: Convert to fraction form
    3,735.42/5,153.73 = 2,163.21/x
  3. Step 3: Cross multiply
    3,735.42x = 5,153.73 × 2,163.21
  4. Step 4: Simplify right side
    3,735.42x = 11,148,600.27
  5. Step 5: Solve for x
    x = 11,148,600.27/3,735.42
  6. Step 6: Final answer
    x = 2,984.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.