Home / 3,512.21-5,264.26-1,319.54

Finding the Fourth Proportional to 3,512.21, 5,264.26 and 1,319.54

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Solution

The fourth proportional to 3,512.21, 5,264.26 and 1,319.54 is: 1,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.21 : 5,264.26 = 1,319.54 : x
  2. Step 2: Convert to fraction form
    3,512.21/5,264.26 = 1,319.54/x
  3. Step 3: Cross multiply
    3,512.21x = 5,264.26 × 1,319.54
  4. Step 4: Simplify right side
    3,512.21x = 6,946,372.02
  5. Step 5: Solve for x
    x = 6,946,372.02/3,512.21
  6. Step 6: Final answer
    x = 1,977.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.