Home / 3,144.56-4,339.46-1,728.33

Finding the Fourth Proportional to 3,144.56, 4,339.46 and 1,728.33

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Solution

The fourth proportional to 3,144.56, 4,339.46 and 1,728.33 is: 2,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.56 : 4,339.46 = 1,728.33 : x
  2. Step 2: Convert to fraction form
    3,144.56/4,339.46 = 1,728.33/x
  3. Step 3: Cross multiply
    3,144.56x = 4,339.46 × 1,728.33
  4. Step 4: Simplify right side
    3,144.56x = 7,500,023.22
  5. Step 5: Solve for x
    x = 7,500,023.22/3,144.56
  6. Step 6: Final answer
    x = 2,385.08

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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.