Home / 3,648.42-5,474.85-2,812.23

Finding the Fourth Proportional to 3,648.42, 5,474.85 and 2,812.23

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Solution

The fourth proportional to 3,648.42, 5,474.85 and 2,812.23 is: 4,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.42 : 5,474.85 = 2,812.23 : x
  2. Step 2: Convert to fraction form
    3,648.42/5,474.85 = 2,812.23/x
  3. Step 3: Cross multiply
    3,648.42x = 5,474.85 × 2,812.23
  4. Step 4: Simplify right side
    3,648.42x = 15,396,536.55
  5. Step 5: Solve for x
    x = 15,396,536.55/3,648.42
  6. Step 6: Final answer
    x = 4,220.06

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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.