Home / 2,918.43-4,028.94-2,035.13

Finding the Fourth Proportional to 2,918.43, 4,028.94 and 2,035.13

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Solution

The fourth proportional to 2,918.43, 4,028.94 and 2,035.13 is: 2,809.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.43 : 4,028.94 = 2,035.13 : x
  2. Step 2: Convert to fraction form
    2,918.43/4,028.94 = 2,035.13/x
  3. Step 3: Cross multiply
    2,918.43x = 4,028.94 × 2,035.13
  4. Step 4: Simplify right side
    2,918.43x = 8,199,396.52
  5. Step 5: Solve for x
    x = 8,199,396.52/2,918.43
  6. Step 6: Final answer
    x = 2,809.52

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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.