Home / 4,077.69-5,620.64-2,749.09

Finding the Fourth Proportional to 4,077.69, 5,620.64 and 2,749.09

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Solution

The fourth proportional to 4,077.69, 5,620.64 and 2,749.09 is: 3,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.69 : 5,620.64 = 2,749.09 : x
  2. Step 2: Convert to fraction form
    4,077.69/5,620.64 = 2,749.09/x
  3. Step 3: Cross multiply
    4,077.69x = 5,620.64 × 2,749.09
  4. Step 4: Simplify right side
    4,077.69x = 15,451,643.42
  5. Step 5: Solve for x
    x = 15,451,643.42/4,077.69
  6. Step 6: Final answer
    x = 3,789.31

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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.