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Finding the Fourth Proportional to 2,796, 3,858.48 and 1,554

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Solution

The fourth proportional to 2,796, 3,858.48 and 1,554 is: 2,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796 : 3,858.48 = 1,554 : x
  2. Step 2: Convert to fraction form
    2,796/3,858.48 = 1,554/x
  3. Step 3: Cross multiply
    2,796x = 3,858.48 × 1,554
  4. Step 4: Simplify right side
    2,796x = 5,996,077.92
  5. Step 5: Solve for x
    x = 5,996,077.92/2,796
  6. Step 6: Final answer
    x = 2,144.52

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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.