Home / 2,245.54-3,368.72-1,270.44

Finding the Fourth Proportional to 2,245.54, 3,368.72 and 1,270.44

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Solution

The fourth proportional to 2,245.54, 3,368.72 and 1,270.44 is: 1,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.54 : 3,368.72 = 1,270.44 : x
  2. Step 2: Convert to fraction form
    2,245.54/3,368.72 = 1,270.44/x
  3. Step 3: Cross multiply
    2,245.54x = 3,368.72 × 1,270.44
  4. Step 4: Simplify right side
    2,245.54x = 4,279,756.64
  5. Step 5: Solve for x
    x = 4,279,756.64/2,245.54
  6. Step 6: Final answer
    x = 1,905.89

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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.