Home / 1,514.64-2,273.33-637.79

Finding the Fourth Proportional to 1,514.64, 2,273.33 and 637.79

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Solution

The fourth proportional to 1,514.64, 2,273.33 and 637.79 is: 957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.64 : 2,273.33 = 637.79 : x
  2. Step 2: Convert to fraction form
    1,514.64/2,273.33 = 637.79/x
  3. Step 3: Cross multiply
    1,514.64x = 2,273.33 × 637.79
  4. Step 4: Simplify right side
    1,514.64x = 1,449,912.03
  5. Step 5: Solve for x
    x = 1,449,912.03/1,514.64
  6. Step 6: Final answer
    x = 957.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.