Home / 3,784.88-5,675.27-1,285.32

Finding the Fourth Proportional to 3,784.88, 5,675.27 and 1,285.32

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Solution

The fourth proportional to 3,784.88, 5,675.27 and 1,285.32 is: 1,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.88 : 5,675.27 = 1,285.32 : x
  2. Step 2: Convert to fraction form
    3,784.88/5,675.27 = 1,285.32/x
  3. Step 3: Cross multiply
    3,784.88x = 5,675.27 × 1,285.32
  4. Step 4: Simplify right side
    3,784.88x = 7,294,520.97
  5. Step 5: Solve for x
    x = 7,294,520.97/3,784.88
  6. Step 6: Final answer
    x = 1,927.28

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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.