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Finding the Fourth Proportional to 2,756.88, 3,804.39 and 1,577.88

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Solution

The fourth proportional to 2,756.88, 3,804.39 and 1,577.88 is: 2,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.88 : 3,804.39 = 1,577.88 : x
  2. Step 2: Convert to fraction form
    2,756.88/3,804.39 = 1,577.88/x
  3. Step 3: Cross multiply
    2,756.88x = 3,804.39 × 1,577.88
  4. Step 4: Simplify right side
    2,756.88x = 6,002,870.89
  5. Step 5: Solve for x
    x = 6,002,870.89/2,756.88
  6. Step 6: Final answer
    x = 2,177.41

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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.