Home / 2,517.12-3,772.08-1,054.56

Finding the Fourth Proportional to 2,517.12, 3,772.08 and 1,054.56

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Solution

The fourth proportional to 2,517.12, 3,772.08 and 1,054.56 is: 1,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.12 : 3,772.08 = 1,054.56 : x
  2. Step 2: Convert to fraction form
    2,517.12/3,772.08 = 1,054.56/x
  3. Step 3: Cross multiply
    2,517.12x = 3,772.08 × 1,054.56
  4. Step 4: Simplify right side
    2,517.12x = 3,977,884.68
  5. Step 5: Solve for x
    x = 3,977,884.68/2,517.12
  6. Step 6: Final answer
    x = 1,580.33

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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.