Home / 2,840.94-4,260.73-1,085.29

Finding the Fourth Proportional to 2,840.94, 4,260.73 and 1,085.29

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Solution

The fourth proportional to 2,840.94, 4,260.73 and 1,085.29 is: 1,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.94 : 4,260.73 = 1,085.29 : x
  2. Step 2: Convert to fraction form
    2,840.94/4,260.73 = 1,085.29/x
  3. Step 3: Cross multiply
    2,840.94x = 4,260.73 × 1,085.29
  4. Step 4: Simplify right side
    2,840.94x = 4,624,127.66
  5. Step 5: Solve for x
    x = 4,624,127.66/2,840.94
  6. Step 6: Final answer
    x = 1,627.68

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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.