Home / 2,732.84-4,100.93-1,089.15

Finding the Fourth Proportional to 2,732.84, 4,100.93 and 1,089.15

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Solution

The fourth proportional to 2,732.84, 4,100.93 and 1,089.15 is: 1,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.84 : 4,100.93 = 1,089.15 : x
  2. Step 2: Convert to fraction form
    2,732.84/4,100.93 = 1,089.15/x
  3. Step 3: Cross multiply
    2,732.84x = 4,100.93 × 1,089.15
  4. Step 4: Simplify right side
    2,732.84x = 4,466,522.46
  5. Step 5: Solve for x
    x = 4,466,522.46/2,732.84
  6. Step 6: Final answer
    x = 1,634.39

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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.