Home / 2,035.33-2,808.38-1,139.09

Finding the Fourth Proportional to 2,035.33, 2,808.38 and 1,139.09

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Solution

The fourth proportional to 2,035.33, 2,808.38 and 1,139.09 is: 1,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.33 : 2,808.38 = 1,139.09 : x
  2. Step 2: Convert to fraction form
    2,035.33/2,808.38 = 1,139.09/x
  3. Step 3: Cross multiply
    2,035.33x = 2,808.38 × 1,139.09
  4. Step 4: Simplify right side
    2,035.33x = 3,198,983.53
  5. Step 5: Solve for x
    x = 3,198,983.53/2,035.33
  6. Step 6: Final answer
    x = 1,571.73

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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.