Home / 2,732.85-4,100.63-1,089.36

Finding the Fourth Proportional to 2,732.85, 4,100.63 and 1,089.36

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Solution

The fourth proportional to 2,732.85, 4,100.63 and 1,089.36 is: 1,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.85 : 4,100.63 = 1,089.36 : x
  2. Step 2: Convert to fraction form
    2,732.85/4,100.63 = 1,089.36/x
  3. Step 3: Cross multiply
    2,732.85x = 4,100.63 × 1,089.36
  4. Step 4: Simplify right side
    2,732.85x = 4,467,056.85
  5. Step 5: Solve for x
    x = 4,467,056.85/2,732.85
  6. Step 6: Final answer
    x = 1,634.58

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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.