Home / 3,629.55-5,446.13-1,438.23

Finding the Fourth Proportional to 3,629.55, 5,446.13 and 1,438.23

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Solution

The fourth proportional to 3,629.55, 5,446.13 and 1,438.23 is: 2,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.55 : 5,446.13 = 1,438.23 : x
  2. Step 2: Convert to fraction form
    3,629.55/5,446.13 = 1,438.23/x
  3. Step 3: Cross multiply
    3,629.55x = 5,446.13 × 1,438.23
  4. Step 4: Simplify right side
    3,629.55x = 7,832,780.36
  5. Step 5: Solve for x
    x = 7,832,780.36/3,629.55
  6. Step 6: Final answer
    x = 2,158.06

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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.