Home / 2,768.95-3,821.27-1,573.61

Finding the Fourth Proportional to 2,768.95, 3,821.27 and 1,573.61

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Solution

The fourth proportional to 2,768.95, 3,821.27 and 1,573.61 is: 2,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.95 : 3,821.27 = 1,573.61 : x
  2. Step 2: Convert to fraction form
    2,768.95/3,821.27 = 1,573.61/x
  3. Step 3: Cross multiply
    2,768.95x = 3,821.27 × 1,573.61
  4. Step 4: Simplify right side
    2,768.95x = 6,013,207.07
  5. Step 5: Solve for x
    x = 6,013,207.07/2,768.95
  6. Step 6: Final answer
    x = 2,171.66

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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.