Home / 2,788.84-4,190.94-1,696.36

Finding the Fourth Proportional to 2,788.84, 4,190.94 and 1,696.36

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Solution

The fourth proportional to 2,788.84, 4,190.94 and 1,696.36 is: 2,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.84 : 4,190.94 = 1,696.36 : x
  2. Step 2: Convert to fraction form
    2,788.84/4,190.94 = 1,696.36/x
  3. Step 3: Cross multiply
    2,788.84x = 4,190.94 × 1,696.36
  4. Step 4: Simplify right side
    2,788.84x = 7,109,342.98
  5. Step 5: Solve for x
    x = 7,109,342.98/2,788.84
  6. Step 6: Final answer
    x = 2,549.21

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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.