Home / 2,213.70-3,054.75-1,269.51

Finding the Fourth Proportional to 2,213.70, 3,054.75 and 1,269.51

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Solution

The fourth proportional to 2,213.70, 3,054.75 and 1,269.51 is: 1,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.70 : 3,054.75 = 1,269.51 : x
  2. Step 2: Convert to fraction form
    2,213.70/3,054.75 = 1,269.51/x
  3. Step 3: Cross multiply
    2,213.70x = 3,054.75 × 1,269.51
  4. Step 4: Simplify right side
    2,213.70x = 3,878,035.67
  5. Step 5: Solve for x
    x = 3,878,035.67/2,213.70
  6. Step 6: Final answer
    x = 1,751.83

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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.