Home / 1,850.14-2,775.69-551.60

Finding the Fourth Proportional to 1,850.14, 2,775.69 and 551.60

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Solution

The fourth proportional to 1,850.14, 2,775.69 and 551.60 is: 827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.14 : 2,775.69 = 551.60 : x
  2. Step 2: Convert to fraction form
    1,850.14/2,775.69 = 551.60/x
  3. Step 3: Cross multiply
    1,850.14x = 2,775.69 × 551.60
  4. Step 4: Simplify right side
    1,850.14x = 1,531,070.60
  5. Step 5: Solve for x
    x = 1,531,070.60/1,850.14
  6. Step 6: Final answer
    x = 827.54

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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.