Home / 1,845.90-2,767.83-1,326.14

Finding the Fourth Proportional to 1,845.90, 2,767.83 and 1,326.14

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Solution

The fourth proportional to 1,845.90, 2,767.83 and 1,326.14 is: 1,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.90 : 2,767.83 = 1,326.14 : x
  2. Step 2: Convert to fraction form
    1,845.90/2,767.83 = 1,326.14/x
  3. Step 3: Cross multiply
    1,845.90x = 2,767.83 × 1,326.14
  4. Step 4: Simplify right side
    1,845.90x = 3,670,537.21
  5. Step 5: Solve for x
    x = 3,670,537.21/1,845.90
  6. Step 6: Final answer
    x = 1,988.48

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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.