Home / 3,817.01-5,728.66-1,628.21

Finding the Fourth Proportional to 3,817.01, 5,728.66 and 1,628.21

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Solution

The fourth proportional to 3,817.01, 5,728.66 and 1,628.21 is: 2,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.01 : 5,728.66 = 1,628.21 : x
  2. Step 2: Convert to fraction form
    3,817.01/5,728.66 = 1,628.21/x
  3. Step 3: Cross multiply
    3,817.01x = 5,728.66 × 1,628.21
  4. Step 4: Simplify right side
    3,817.01x = 9,327,453.36
  5. Step 5: Solve for x
    x = 9,327,453.36/3,817.01
  6. Step 6: Final answer
    x = 2,443.65

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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.