Home / 1,986.04-2,732.70-1,935.16

Finding the Fourth Proportional to 1,986.04, 2,732.70 and 1,935.16

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Solution

The fourth proportional to 1,986.04, 2,732.70 and 1,935.16 is: 2,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.04 : 2,732.70 = 1,935.16 : x
  2. Step 2: Convert to fraction form
    1,986.04/2,732.70 = 1,935.16/x
  3. Step 3: Cross multiply
    1,986.04x = 2,732.70 × 1,935.16
  4. Step 4: Simplify right side
    1,986.04x = 5,288,211.73
  5. Step 5: Solve for x
    x = 5,288,211.73/1,986.04
  6. Step 6: Final answer
    x = 2,662.69

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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.