Home / 2,918.94-4,026.26-1,784.09

Finding the Fourth Proportional to 2,918.94, 4,026.26 and 1,784.09

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Solution

The fourth proportional to 2,918.94, 4,026.26 and 1,784.09 is: 2,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.94 : 4,026.26 = 1,784.09 : x
  2. Step 2: Convert to fraction form
    2,918.94/4,026.26 = 1,784.09/x
  3. Step 3: Cross multiply
    2,918.94x = 4,026.26 × 1,784.09
  4. Step 4: Simplify right side
    2,918.94x = 7,183,181.15
  5. Step 5: Solve for x
    x = 7,183,181.15/2,918.94
  6. Step 6: Final answer
    x = 2,460.89

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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.