Home / 4,078.60-5,628.62-2,310.37

Finding the Fourth Proportional to 4,078.60, 5,628.62 and 2,310.37

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Solution

The fourth proportional to 4,078.60, 5,628.62 and 2,310.37 is: 3,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.60 : 5,628.62 = 2,310.37 : x
  2. Step 2: Convert to fraction form
    4,078.60/5,628.62 = 2,310.37/x
  3. Step 3: Cross multiply
    4,078.60x = 5,628.62 × 2,310.37
  4. Step 4: Simplify right side
    4,078.60x = 13,004,186.49
  5. Step 5: Solve for x
    x = 13,004,186.49/4,078.60
  6. Step 6: Final answer
    x = 3,188.40

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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.