Home / 1,907.74-2,861.40-1,295.38

Finding the Fourth Proportional to 1,907.74, 2,861.40 and 1,295.38

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Solution

The fourth proportional to 1,907.74, 2,861.40 and 1,295.38 is: 1,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.74 : 2,861.40 = 1,295.38 : x
  2. Step 2: Convert to fraction form
    1,907.74/2,861.40 = 1,295.38/x
  3. Step 3: Cross multiply
    1,907.74x = 2,861.40 × 1,295.38
  4. Step 4: Simplify right side
    1,907.74x = 3,706,600.33
  5. Step 5: Solve for x
    x = 3,706,600.33/1,907.74
  6. Step 6: Final answer
    x = 1,942.93

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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.