Home / 3,255.34-4,494.54-2,015.50

Finding the Fourth Proportional to 3,255.34, 4,494.54 and 2,015.50

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Solution

The fourth proportional to 3,255.34, 4,494.54 and 2,015.50 is: 2,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.34 : 4,494.54 = 2,015.50 : x
  2. Step 2: Convert to fraction form
    3,255.34/4,494.54 = 2,015.50/x
  3. Step 3: Cross multiply
    3,255.34x = 4,494.54 × 2,015.50
  4. Step 4: Simplify right side
    3,255.34x = 9,058,745.37
  5. Step 5: Solve for x
    x = 9,058,745.37/3,255.34
  6. Step 6: Final answer
    x = 2,782.73

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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.