Home / 1,986-2,741.29-1,463.55

Finding the Fourth Proportional to 1,986, 2,741.29 and 1,463.55

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Solution

The fourth proportional to 1,986, 2,741.29 and 1,463.55 is: 2,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986 : 2,741.29 = 1,463.55 : x
  2. Step 2: Convert to fraction form
    1,986/2,741.29 = 1,463.55/x
  3. Step 3: Cross multiply
    1,986x = 2,741.29 × 1,463.55
  4. Step 4: Simplify right side
    1,986x = 4,012,014.98
  5. Step 5: Solve for x
    x = 4,012,014.98/1,986
  6. Step 6: Final answer
    x = 2,020.15

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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.