Home / 1,986.44-2,741.27-1,102.25

Finding the Fourth Proportional to 1,986.44, 2,741.27 and 1,102.25

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Solution

The fourth proportional to 1,986.44, 2,741.27 and 1,102.25 is: 1,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.44 : 2,741.27 = 1,102.25 : x
  2. Step 2: Convert to fraction form
    1,986.44/2,741.27 = 1,102.25/x
  3. Step 3: Cross multiply
    1,986.44x = 2,741.27 × 1,102.25
  4. Step 4: Simplify right side
    1,986.44x = 3,021,574.47
  5. Step 5: Solve for x
    x = 3,021,574.47/1,986.44
  6. Step 6: Final answer
    x = 1,521.10

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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.