Home / 2,224.16-3,069.36-1,229.41

Finding the Fourth Proportional to 2,224.16, 3,069.36 and 1,229.41

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Solution

The fourth proportional to 2,224.16, 3,069.36 and 1,229.41 is: 1,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.16 : 3,069.36 = 1,229.41 : x
  2. Step 2: Convert to fraction form
    2,224.16/3,069.36 = 1,229.41/x
  3. Step 3: Cross multiply
    2,224.16x = 3,069.36 × 1,229.41
  4. Step 4: Simplify right side
    2,224.16x = 3,773,505.71
  5. Step 5: Solve for x
    x = 3,773,505.71/2,224.16
  6. Step 6: Final answer
    x = 1,696.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.