Home / 1,512.53-2,087.28-923.06

Finding the Fourth Proportional to 1,512.53, 2,087.28 and 923.06

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Solution

The fourth proportional to 1,512.53, 2,087.28 and 923.06 is: 1,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.53 : 2,087.28 = 923.06 : x
  2. Step 2: Convert to fraction form
    1,512.53/2,087.28 = 923.06/x
  3. Step 3: Cross multiply
    1,512.53x = 2,087.28 × 923.06
  4. Step 4: Simplify right side
    1,512.53x = 1,926,684.68
  5. Step 5: Solve for x
    x = 1,926,684.68/1,512.53
  6. Step 6: Final answer
    x = 1,273.82

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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.