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Finding the Fourth Proportional to 2,757.61, 3,804.89 and 1,762.53

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Solution

The fourth proportional to 2,757.61, 3,804.89 and 1,762.53 is: 2,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.61 : 3,804.89 = 1,762.53 : x
  2. Step 2: Convert to fraction form
    2,757.61/3,804.89 = 1,762.53/x
  3. Step 3: Cross multiply
    2,757.61x = 3,804.89 × 1,762.53
  4. Step 4: Simplify right side
    2,757.61x = 6,706,232.77
  5. Step 5: Solve for x
    x = 6,706,232.77/2,757.61
  6. Step 6: Final answer
    x = 2,431.90

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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.