Home / 1,517.56-2,092.29-1,019.81

Finding the Fourth Proportional to 1,517.56, 2,092.29 and 1,019.81

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Solution

The fourth proportional to 1,517.56, 2,092.29 and 1,019.81 is: 1,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.56 : 2,092.29 = 1,019.81 : x
  2. Step 2: Convert to fraction form
    1,517.56/2,092.29 = 1,019.81/x
  3. Step 3: Cross multiply
    1,517.56x = 2,092.29 × 1,019.81
  4. Step 4: Simplify right side
    1,517.56x = 2,133,738.26
  5. Step 5: Solve for x
    x = 2,133,738.26/1,517.56
  6. Step 6: Final answer
    x = 1,406.03

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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.