Home / 2,287.93-3,157.32-1,293.21

Finding the Fourth Proportional to 2,287.93, 3,157.32 and 1,293.21

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Solution

The fourth proportional to 2,287.93, 3,157.32 and 1,293.21 is: 1,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.93 : 3,157.32 = 1,293.21 : x
  2. Step 2: Convert to fraction form
    2,287.93/3,157.32 = 1,293.21/x
  3. Step 3: Cross multiply
    2,287.93x = 3,157.32 × 1,293.21
  4. Step 4: Simplify right side
    2,287.93x = 4,083,077.80
  5. Step 5: Solve for x
    x = 4,083,077.80/2,287.93
  6. Step 6: Final answer
    x = 1,784.62

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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.