Home / 2,338.93-3,228.09-1,778.50

Finding the Fourth Proportional to 2,338.93, 3,228.09 and 1,778.50

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Solution

The fourth proportional to 2,338.93, 3,228.09 and 1,778.50 is: 2,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.93 : 3,228.09 = 1,778.50 : x
  2. Step 2: Convert to fraction form
    2,338.93/3,228.09 = 1,778.50/x
  3. Step 3: Cross multiply
    2,338.93x = 3,228.09 × 1,778.50
  4. Step 4: Simplify right side
    2,338.93x = 5,741,141.92
  5. Step 5: Solve for x
    x = 5,741,141.92/2,338.93
  6. Step 6: Final answer
    x = 2,454.61

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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.