Home / 4,078.87-5,628.86-2,310.82

Finding the Fourth Proportional to 4,078.87, 5,628.86 and 2,310.82

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Solution

The fourth proportional to 4,078.87, 5,628.86 and 2,310.82 is: 3,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.87 : 5,628.86 = 2,310.82 : x
  2. Step 2: Convert to fraction form
    4,078.87/5,628.86 = 2,310.82/x
  3. Step 3: Cross multiply
    4,078.87x = 5,628.86 × 2,310.82
  4. Step 4: Simplify right side
    4,078.87x = 13,007,282.27
  5. Step 5: Solve for x
    x = 13,007,282.27/4,078.87
  6. Step 6: Final answer
    x = 3,188.94

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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.