Home / 2,288.65-3,157.18-1,447.94

Finding the Fourth Proportional to 2,288.65, 3,157.18 and 1,447.94

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Solution

The fourth proportional to 2,288.65, 3,157.18 and 1,447.94 is: 1,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.65 : 3,157.18 = 1,447.94 : x
  2. Step 2: Convert to fraction form
    2,288.65/3,157.18 = 1,447.94/x
  3. Step 3: Cross multiply
    2,288.65x = 3,157.18 × 1,447.94
  4. Step 4: Simplify right side
    2,288.65x = 4,571,407.21
  5. Step 5: Solve for x
    x = 4,571,407.21/2,288.65
  6. Step 6: Final answer
    x = 1,997.43

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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.