Home / 1,986.84-2,743.08-1,461.96

Finding the Fourth Proportional to 1,986.84, 2,743.08 and 1,461.96

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Solution

The fourth proportional to 1,986.84, 2,743.08 and 1,461.96 is: 2,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.84 : 2,743.08 = 1,461.96 : x
  2. Step 2: Convert to fraction form
    1,986.84/2,743.08 = 1,461.96/x
  3. Step 3: Cross multiply
    1,986.84x = 2,743.08 × 1,461.96
  4. Step 4: Simplify right side
    1,986.84x = 4,010,273.24
  5. Step 5: Solve for x
    x = 4,010,273.24/1,986.84
  6. Step 6: Final answer
    x = 2,018.42

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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.