Home / 2,213.67-3,054.60-1,269.66

Finding the Fourth Proportional to 2,213.67, 3,054.60 and 1,269.66

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Solution

The fourth proportional to 2,213.67, 3,054.60 and 1,269.66 is: 1,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.67 : 3,054.60 = 1,269.66 : x
  2. Step 2: Convert to fraction form
    2,213.67/3,054.60 = 1,269.66/x
  3. Step 3: Cross multiply
    2,213.67x = 3,054.60 × 1,269.66
  4. Step 4: Simplify right side
    2,213.67x = 3,878,303.44
  5. Step 5: Solve for x
    x = 3,878,303.44/2,213.67
  6. Step 6: Final answer
    x = 1,751.98

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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.