Home / 1,628.36-2,246.82-1,317.32

Finding the Fourth Proportional to 1,628.36, 2,246.82 and 1,317.32

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Solution

The fourth proportional to 1,628.36, 2,246.82 and 1,317.32 is: 1,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.36 : 2,246.82 = 1,317.32 : x
  2. Step 2: Convert to fraction form
    1,628.36/2,246.82 = 1,317.32/x
  3. Step 3: Cross multiply
    1,628.36x = 2,246.82 × 1,317.32
  4. Step 4: Simplify right side
    1,628.36x = 2,959,780.92
  5. Step 5: Solve for x
    x = 2,959,780.92/1,628.36
  6. Step 6: Final answer
    x = 1,817.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.