Home / 3,520.46-5,275.75-2,736.88

Finding the Fourth Proportional to 3,520.46, 5,275.75 and 2,736.88

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Solution

The fourth proportional to 3,520.46, 5,275.75 and 2,736.88 is: 4,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.46 : 5,275.75 = 2,736.88 : x
  2. Step 2: Convert to fraction form
    3,520.46/5,275.75 = 2,736.88/x
  3. Step 3: Cross multiply
    3,520.46x = 5,275.75 × 2,736.88
  4. Step 4: Simplify right side
    3,520.46x = 14,439,094.66
  5. Step 5: Solve for x
    x = 14,439,094.66/3,520.46
  6. Step 6: Final answer
    x = 4,101.48

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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.