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Finding the Fourth Proportional to 2,757.64, 3,804.63 and 1,562.51

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Solution

The fourth proportional to 2,757.64, 3,804.63 and 1,562.51 is: 2,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.64 : 3,804.63 = 1,562.51 : x
  2. Step 2: Convert to fraction form
    2,757.64/3,804.63 = 1,562.51/x
  3. Step 3: Cross multiply
    2,757.64x = 3,804.63 × 1,562.51
  4. Step 4: Simplify right side
    2,757.64x = 5,944,768.52
  5. Step 5: Solve for x
    x = 5,944,768.52/2,757.64
  6. Step 6: Final answer
    x = 2,155.74

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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.