Home / 3,276.32-4,914.46-1,085.21

Finding the Fourth Proportional to 3,276.32, 4,914.46 and 1,085.21

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Solution

The fourth proportional to 3,276.32, 4,914.46 and 1,085.21 is: 1,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.32 : 4,914.46 = 1,085.21 : x
  2. Step 2: Convert to fraction form
    3,276.32/4,914.46 = 1,085.21/x
  3. Step 3: Cross multiply
    3,276.32x = 4,914.46 × 1,085.21
  4. Step 4: Simplify right side
    3,276.32x = 5,333,216.35
  5. Step 5: Solve for x
    x = 5,333,216.35/3,276.32
  6. Step 6: Final answer
    x = 1,627.81

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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.