Home / 1,867.75-2,579.66-1,277.26

Finding the Fourth Proportional to 1,867.75, 2,579.66 and 1,277.26

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Solution

The fourth proportional to 1,867.75, 2,579.66 and 1,277.26 is: 1,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.75 : 2,579.66 = 1,277.26 : x
  2. Step 2: Convert to fraction form
    1,867.75/2,579.66 = 1,277.26/x
  3. Step 3: Cross multiply
    1,867.75x = 2,579.66 × 1,277.26
  4. Step 4: Simplify right side
    1,867.75x = 3,294,896.53
  5. Step 5: Solve for x
    x = 3,294,896.53/1,867.75
  6. Step 6: Final answer
    x = 1,764.10

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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.