Home / 1,808.26-2,495.69-1,145.41

Finding the Fourth Proportional to 1,808.26, 2,495.69 and 1,145.41

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Solution

The fourth proportional to 1,808.26, 2,495.69 and 1,145.41 is: 1,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.26 : 2,495.69 = 1,145.41 : x
  2. Step 2: Convert to fraction form
    1,808.26/2,495.69 = 1,145.41/x
  3. Step 3: Cross multiply
    1,808.26x = 2,495.69 × 1,145.41
  4. Step 4: Simplify right side
    1,808.26x = 2,858,588.28
  5. Step 5: Solve for x
    x = 2,858,588.28/1,808.26
  6. Step 6: Final answer
    x = 1,580.85

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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.