Home / 1,446.66-1,991.59-1,298.97

Finding the Fourth Proportional to 1,446.66, 1,991.59 and 1,298.97

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Solution

The fourth proportional to 1,446.66, 1,991.59 and 1,298.97 is: 1,788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.66 : 1,991.59 = 1,298.97 : x
  2. Step 2: Convert to fraction form
    1,446.66/1,991.59 = 1,298.97/x
  3. Step 3: Cross multiply
    1,446.66x = 1,991.59 × 1,298.97
  4. Step 4: Simplify right side
    1,446.66x = 2,587,012.41
  5. Step 5: Solve for x
    x = 2,587,012.41/1,446.66
  6. Step 6: Final answer
    x = 1,788.27

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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.