Home / 2,288.23-3,157.77-1,293.60

Finding the Fourth Proportional to 2,288.23, 3,157.77 and 1,293.60

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Solution

The fourth proportional to 2,288.23, 3,157.77 and 1,293.60 is: 1,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.23 : 3,157.77 = 1,293.60 : x
  2. Step 2: Convert to fraction form
    2,288.23/3,157.77 = 1,293.60/x
  3. Step 3: Cross multiply
    2,288.23x = 3,157.77 × 1,293.60
  4. Step 4: Simplify right side
    2,288.23x = 4,084,884.80
  5. Step 5: Solve for x
    x = 4,084,884.80/2,288.23
  6. Step 6: Final answer
    x = 1,785.18

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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.