Home / 2,788.41-4,181.75-1,009.25

Finding the Fourth Proportional to 2,788.41, 4,181.75 and 1,009.25

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Solution

The fourth proportional to 2,788.41, 4,181.75 and 1,009.25 is: 1,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.41 : 4,181.75 = 1,009.25 : x
  2. Step 2: Convert to fraction form
    2,788.41/4,181.75 = 1,009.25/x
  3. Step 3: Cross multiply
    2,788.41x = 4,181.75 × 1,009.25
  4. Step 4: Simplify right side
    2,788.41x = 4,220,424.70
  5. Step 5: Solve for x
    x = 4,220,424.70/2,788.41
  6. Step 6: Final answer
    x = 1,513.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.