Home / 2,039.20-3,039.40-2,035.92

Finding the Fourth Proportional to 2,039.20, 3,039.40 and 2,035.92

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Solution

The fourth proportional to 2,039.20, 3,039.40 and 2,035.92 is: 3,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.20 : 3,039.40 = 2,035.92 : x
  2. Step 2: Convert to fraction form
    2,039.20/3,039.40 = 2,035.92/x
  3. Step 3: Cross multiply
    2,039.20x = 3,039.40 × 2,035.92
  4. Step 4: Simplify right side
    2,039.20x = 6,187,975.25
  5. Step 5: Solve for x
    x = 6,187,975.25/2,039.20
  6. Step 6: Final answer
    x = 3,034.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.