Home / 4,078.89-5,628.68-2,310.46

Finding the Fourth Proportional to 4,078.89, 5,628.68 and 2,310.46

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Solution

The fourth proportional to 4,078.89, 5,628.68 and 2,310.46 is: 3,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.89 : 5,628.68 = 2,310.46 : x
  2. Step 2: Convert to fraction form
    4,078.89/5,628.68 = 2,310.46/x
  3. Step 3: Cross multiply
    4,078.89x = 5,628.68 × 2,310.46
  4. Step 4: Simplify right side
    4,078.89x = 13,004,811.85
  5. Step 5: Solve for x
    x = 13,004,811.85/4,078.89
  6. Step 6: Final answer
    x = 3,188.32

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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.