Home / 1,993.27-2,751.95-1,285.46

Finding the Fourth Proportional to 1,993.27, 2,751.95 and 1,285.46

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Solution

The fourth proportional to 1,993.27, 2,751.95 and 1,285.46 is: 1,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.27 : 2,751.95 = 1,285.46 : x
  2. Step 2: Convert to fraction form
    1,993.27/2,751.95 = 1,285.46/x
  3. Step 3: Cross multiply
    1,993.27x = 2,751.95 × 1,285.46
  4. Step 4: Simplify right side
    1,993.27x = 3,537,521.65
  5. Step 5: Solve for x
    x = 3,537,521.65/1,993.27
  6. Step 6: Final answer
    x = 1,774.73

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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.