Home / 1,860.23-2,786.27-1,273.86

Finding the Fourth Proportional to 1,860.23, 2,786.27 and 1,273.86

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Solution

The fourth proportional to 1,860.23, 2,786.27 and 1,273.86 is: 1,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.23 : 2,786.27 = 1,273.86 : x
  2. Step 2: Convert to fraction form
    1,860.23/2,786.27 = 1,273.86/x
  3. Step 3: Cross multiply
    1,860.23x = 2,786.27 × 1,273.86
  4. Step 4: Simplify right side
    1,860.23x = 3,549,311.53
  5. Step 5: Solve for x
    x = 3,549,311.53/1,860.23
  6. Step 6: Final answer
    x = 1,907.99

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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.