Home / 2,816.64-4,224.56-1,085.27

Finding the Fourth Proportional to 2,816.64, 4,224.56 and 1,085.27

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Solution

The fourth proportional to 2,816.64, 4,224.56 and 1,085.27 is: 1,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.64 : 4,224.56 = 1,085.27 : x
  2. Step 2: Convert to fraction form
    2,816.64/4,224.56 = 1,085.27/x
  3. Step 3: Cross multiply
    2,816.64x = 4,224.56 × 1,085.27
  4. Step 4: Simplify right side
    2,816.64x = 4,584,761.68
  5. Step 5: Solve for x
    x = 4,584,761.68/2,816.64
  6. Step 6: Final answer
    x = 1,627.74

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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.