Home / 3,517.46-5,276.28-1,208.96

Finding the Fourth Proportional to 3,517.46, 5,276.28 and 1,208.96

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Solution

The fourth proportional to 3,517.46, 5,276.28 and 1,208.96 is: 1,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.46 : 5,276.28 = 1,208.96 : x
  2. Step 2: Convert to fraction form
    3,517.46/5,276.28 = 1,208.96/x
  3. Step 3: Cross multiply
    3,517.46x = 5,276.28 × 1,208.96
  4. Step 4: Simplify right side
    3,517.46x = 6,378,811.47
  5. Step 5: Solve for x
    x = 6,378,811.47/3,517.46
  6. Step 6: Final answer
    x = 1,813.47

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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.