Home / 4,078.96-5,628.58-2,310.20

Finding the Fourth Proportional to 4,078.96, 5,628.58 and 2,310.20

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Solution

The fourth proportional to 4,078.96, 5,628.58 and 2,310.20 is: 3,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.96 : 5,628.58 = 2,310.20 : x
  2. Step 2: Convert to fraction form
    4,078.96/5,628.58 = 2,310.20/x
  3. Step 3: Cross multiply
    4,078.96x = 5,628.58 × 2,310.20
  4. Step 4: Simplify right side
    4,078.96x = 13,003,145.52
  5. Step 5: Solve for x
    x = 13,003,145.52/4,078.96
  6. Step 6: Final answer
    x = 3,187.86

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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.