Home / 1,935.75-2,903.55-1,102.80

Finding the Fourth Proportional to 1,935.75, 2,903.55 and 1,102.80

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Solution

The fourth proportional to 1,935.75, 2,903.55 and 1,102.80 is: 1,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.75 : 2,903.55 = 1,102.80 : x
  2. Step 2: Convert to fraction form
    1,935.75/2,903.55 = 1,102.80/x
  3. Step 3: Cross multiply
    1,935.75x = 2,903.55 × 1,102.80
  4. Step 4: Simplify right side
    1,935.75x = 3,202,034.94
  5. Step 5: Solve for x
    x = 3,202,034.94/1,935.75
  6. Step 6: Final answer
    x = 1,654.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.