Home / 1,907.68-2,631.70-1,244.28

Finding the Fourth Proportional to 1,907.68, 2,631.70 and 1,244.28

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Solution

The fourth proportional to 1,907.68, 2,631.70 and 1,244.28 is: 1,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.68 : 2,631.70 = 1,244.28 : x
  2. Step 2: Convert to fraction form
    1,907.68/2,631.70 = 1,244.28/x
  3. Step 3: Cross multiply
    1,907.68x = 2,631.70 × 1,244.28
  4. Step 4: Simplify right side
    1,907.68x = 3,274,571.68
  5. Step 5: Solve for x
    x = 3,274,571.68/1,907.68
  6. Step 6: Final answer
    x = 1,716.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.