Home / 4,078.14-5,628.85-2,310.79

Finding the Fourth Proportional to 4,078.14, 5,628.85 and 2,310.79

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Solution

The fourth proportional to 4,078.14, 5,628.85 and 2,310.79 is: 3,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.14 : 5,628.85 = 2,310.79 : x
  2. Step 2: Convert to fraction form
    4,078.14/5,628.85 = 2,310.79/x
  3. Step 3: Cross multiply
    4,078.14x = 5,628.85 × 2,310.79
  4. Step 4: Simplify right side
    4,078.14x = 13,007,090.29
  5. Step 5: Solve for x
    x = 13,007,090.29/4,078.14
  6. Step 6: Final answer
    x = 3,189.47

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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.