Home / 2,093.06-3,139.68-939.62

Finding the Fourth Proportional to 2,093.06, 3,139.68 and 939.62

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Solution

The fourth proportional to 2,093.06, 3,139.68 and 939.62 is: 1,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.06 : 3,139.68 = 939.62 : x
  2. Step 2: Convert to fraction form
    2,093.06/3,139.68 = 939.62/x
  3. Step 3: Cross multiply
    2,093.06x = 3,139.68 × 939.62
  4. Step 4: Simplify right side
    2,093.06x = 2,950,106.12
  5. Step 5: Solve for x
    x = 2,950,106.12/2,093.06
  6. Step 6: Final answer
    x = 1,409.47

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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.