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Finding the Fourth Proportional to 2,868.44, 4,300.79 and 1,224.54

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Solution

The fourth proportional to 2,868.44, 4,300.79 and 1,224.54 is: 1,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.44 : 4,300.79 = 1,224.54 : x
  2. Step 2: Convert to fraction form
    2,868.44/4,300.79 = 1,224.54/x
  3. Step 3: Cross multiply
    2,868.44x = 4,300.79 × 1,224.54
  4. Step 4: Simplify right side
    2,868.44x = 5,266,483.26
  5. Step 5: Solve for x
    x = 5,266,483.26/2,868.44
  6. Step 6: Final answer
    x = 1,836.01

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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.