Home / 1,845.25-2,770.54-1,222.43

Finding the Fourth Proportional to 1,845.25, 2,770.54 and 1,222.43

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Solution

The fourth proportional to 1,845.25, 2,770.54 and 1,222.43 is: 1,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.25 : 2,770.54 = 1,222.43 : x
  2. Step 2: Convert to fraction form
    1,845.25/2,770.54 = 1,222.43/x
  3. Step 3: Cross multiply
    1,845.25x = 2,770.54 × 1,222.43
  4. Step 4: Simplify right side
    1,845.25x = 3,386,774.30
  5. Step 5: Solve for x
    x = 3,386,774.30/1,845.25
  6. Step 6: Final answer
    x = 1,835.40

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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.