Home / 1,907-2,629.86-1,244.36

Finding the Fourth Proportional to 1,907, 2,629.86 and 1,244.36

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Solution

The fourth proportional to 1,907, 2,629.86 and 1,244.36 is: 1,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907 : 2,629.86 = 1,244.36 : x
  2. Step 2: Convert to fraction form
    1,907/2,629.86 = 1,244.36/x
  3. Step 3: Cross multiply
    1,907x = 2,629.86 × 1,244.36
  4. Step 4: Simplify right side
    1,907x = 3,272,492.59
  5. Step 5: Solve for x
    x = 3,272,492.59/1,907
  6. Step 6: Final answer
    x = 1,716.04

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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.