Home / 2,288.43-3,158.19-1,293.35

Finding the Fourth Proportional to 2,288.43, 3,158.19 and 1,293.35

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Solution

The fourth proportional to 2,288.43, 3,158.19 and 1,293.35 is: 1,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.43 : 3,158.19 = 1,293.35 : x
  2. Step 2: Convert to fraction form
    2,288.43/3,158.19 = 1,293.35/x
  3. Step 3: Cross multiply
    2,288.43x = 3,158.19 × 1,293.35
  4. Step 4: Simplify right side
    2,288.43x = 4,084,629.25
  5. Step 5: Solve for x
    x = 4,084,629.25/2,288.43
  6. Step 6: Final answer
    x = 1,784.90

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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.