Home / 1,850.26-2,554.50-1,188.28

Finding the Fourth Proportional to 1,850.26, 2,554.50 and 1,188.28

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Solution

The fourth proportional to 1,850.26, 2,554.50 and 1,188.28 is: 1,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.26 : 2,554.50 = 1,188.28 : x
  2. Step 2: Convert to fraction form
    1,850.26/2,554.50 = 1,188.28/x
  3. Step 3: Cross multiply
    1,850.26x = 2,554.50 × 1,188.28
  4. Step 4: Simplify right side
    1,850.26x = 3,035,447.34
  5. Step 5: Solve for x
    x = 3,035,447.34/1,850.26
  6. Step 6: Final answer
    x = 1,640.55

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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.