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Finding the Fourth Proportional to 3,062.94, 4,227.81 and 1,803.89

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Solution

The fourth proportional to 3,062.94, 4,227.81 and 1,803.89 is: 2,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.94 : 4,227.81 = 1,803.89 : x
  2. Step 2: Convert to fraction form
    3,062.94/4,227.81 = 1,803.89/x
  3. Step 3: Cross multiply
    3,062.94x = 4,227.81 × 1,803.89
  4. Step 4: Simplify right side
    3,062.94x = 7,626,504.18
  5. Step 5: Solve for x
    x = 7,626,504.18/3,062.94
  6. Step 6: Final answer
    x = 2,489.93

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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.