Home / 3,454.21-5,170.31-2,752.98

Finding the Fourth Proportional to 3,454.21, 5,170.31 and 2,752.98

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Solution

The fourth proportional to 3,454.21, 5,170.31 and 2,752.98 is: 4,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.21 : 5,170.31 = 2,752.98 : x
  2. Step 2: Convert to fraction form
    3,454.21/5,170.31 = 2,752.98/x
  3. Step 3: Cross multiply
    3,454.21x = 5,170.31 × 2,752.98
  4. Step 4: Simplify right side
    3,454.21x = 14,233,760.02
  5. Step 5: Solve for x
    x = 14,233,760.02/3,454.21
  6. Step 6: Final answer
    x = 4,120.70

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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.