Home / 2,629.65-3,946.43-1,243.41

Finding the Fourth Proportional to 2,629.65, 3,946.43 and 1,243.41

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Solution

The fourth proportional to 2,629.65, 3,946.43 and 1,243.41 is: 1,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.65 : 3,946.43 = 1,243.41 : x
  2. Step 2: Convert to fraction form
    2,629.65/3,946.43 = 1,243.41/x
  3. Step 3: Cross multiply
    2,629.65x = 3,946.43 × 1,243.41
  4. Step 4: Simplify right side
    2,629.65x = 4,907,030.53
  5. Step 5: Solve for x
    x = 4,907,030.53/2,629.65
  6. Step 6: Final answer
    x = 1,866.04

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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.