Home / 2,193.66-3,026.70-1,297.26

Finding the Fourth Proportional to 2,193.66, 3,026.70 and 1,297.26

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Solution

The fourth proportional to 2,193.66, 3,026.70 and 1,297.26 is: 1,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.66 : 3,026.70 = 1,297.26 : x
  2. Step 2: Convert to fraction form
    2,193.66/3,026.70 = 1,297.26/x
  3. Step 3: Cross multiply
    2,193.66x = 3,026.70 × 1,297.26
  4. Step 4: Simplify right side
    2,193.66x = 3,926,416.84
  5. Step 5: Solve for x
    x = 3,926,416.84/2,193.66
  6. Step 6: Final answer
    x = 1,789.89

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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.