Home / 3,845.51-5,309.77-3,004.76

Finding the Fourth Proportional to 3,845.51, 5,309.77 and 3,004.76

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Solution

The fourth proportional to 3,845.51, 5,309.77 and 3,004.76 is: 4,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.51 : 5,309.77 = 3,004.76 : x
  2. Step 2: Convert to fraction form
    3,845.51/5,309.77 = 3,004.76/x
  3. Step 3: Cross multiply
    3,845.51x = 5,309.77 × 3,004.76
  4. Step 4: Simplify right side
    3,845.51x = 15,954,550.44
  5. Step 5: Solve for x
    x = 15,954,550.44/3,845.51
  6. Step 6: Final answer
    x = 4,148.88

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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.