Home / 2,224.28-3,336.88-837.60

Finding the Fourth Proportional to 2,224.28, 3,336.88 and 837.60

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Solution

The fourth proportional to 2,224.28, 3,336.88 and 837.60 is: 1,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.28 : 3,336.88 = 837.60 : x
  2. Step 2: Convert to fraction form
    2,224.28/3,336.88 = 837.60/x
  3. Step 3: Cross multiply
    2,224.28x = 3,336.88 × 837.60
  4. Step 4: Simplify right side
    2,224.28x = 2,794,970.69
  5. Step 5: Solve for x
    x = 2,794,970.69/2,224.28
  6. Step 6: Final answer
    x = 1,256.57

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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.