Home / 2,907.36-4,356.84-1,263.36

Finding the Fourth Proportional to 2,907.36, 4,356.84 and 1,263.36

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Solution

The fourth proportional to 2,907.36, 4,356.84 and 1,263.36 is: 1,893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.36 : 4,356.84 = 1,263.36 : x
  2. Step 2: Convert to fraction form
    2,907.36/4,356.84 = 1,263.36/x
  3. Step 3: Cross multiply
    2,907.36x = 4,356.84 × 1,263.36
  4. Step 4: Simplify right side
    2,907.36x = 5,504,257.38
  5. Step 5: Solve for x
    x = 5,504,257.38/2,907.36
  6. Step 6: Final answer
    x = 1,893.21

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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.