Home / 1,907.08-2,631.89-1,067.87

Finding the Fourth Proportional to 1,907.08, 2,631.89 and 1,067.87

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Solution

The fourth proportional to 1,907.08, 2,631.89 and 1,067.87 is: 1,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.08 : 2,631.89 = 1,067.87 : x
  2. Step 2: Convert to fraction form
    1,907.08/2,631.89 = 1,067.87/x
  3. Step 3: Cross multiply
    1,907.08x = 2,631.89 × 1,067.87
  4. Step 4: Simplify right side
    1,907.08x = 2,810,497.88
  5. Step 5: Solve for x
    x = 2,810,497.88/1,907.08
  6. Step 6: Final answer
    x = 1,473.72

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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.