Home / 3,741.42-5,163.45-2,148.21

Finding the Fourth Proportional to 3,741.42, 5,163.45 and 2,148.21

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Solution

The fourth proportional to 3,741.42, 5,163.45 and 2,148.21 is: 2,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.42 : 5,163.45 = 2,148.21 : x
  2. Step 2: Convert to fraction form
    3,741.42/5,163.45 = 2,148.21/x
  3. Step 3: Cross multiply
    3,741.42x = 5,163.45 × 2,148.21
  4. Step 4: Simplify right side
    3,741.42x = 11,092,174.92
  5. Step 5: Solve for x
    x = 11,092,174.92/3,741.42
  6. Step 6: Final answer
    x = 2,964.70

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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.