Home / 2,287.71-3,157.38-1,448.49

Finding the Fourth Proportional to 2,287.71, 3,157.38 and 1,448.49

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Solution

The fourth proportional to 2,287.71, 3,157.38 and 1,448.49 is: 1,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.71 : 3,157.38 = 1,448.49 : x
  2. Step 2: Convert to fraction form
    2,287.71/3,157.38 = 1,448.49/x
  3. Step 3: Cross multiply
    2,287.71x = 3,157.38 × 1,448.49
  4. Step 4: Simplify right side
    2,287.71x = 4,573,426.94
  5. Step 5: Solve for x
    x = 4,573,426.94/2,287.71
  6. Step 6: Final answer
    x = 1,999.13

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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.