Home / 3,125.58-4,309.38-2,004.54

Finding the Fourth Proportional to 3,125.58, 4,309.38 and 2,004.54

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Solution

The fourth proportional to 3,125.58, 4,309.38 and 2,004.54 is: 2,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.58 : 4,309.38 = 2,004.54 : x
  2. Step 2: Convert to fraction form
    3,125.58/4,309.38 = 2,004.54/x
  3. Step 3: Cross multiply
    3,125.58x = 4,309.38 × 2,004.54
  4. Step 4: Simplify right side
    3,125.58x = 8,638,324.59
  5. Step 5: Solve for x
    x = 8,638,324.59/3,125.58
  6. Step 6: Final answer
    x = 2,763.75

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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.