Home / 1,854.31-2,554.62-1,293.79

Finding the Fourth Proportional to 1,854.31, 2,554.62 and 1,293.79

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Solution

The fourth proportional to 1,854.31, 2,554.62 and 1,293.79 is: 1,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.31 : 2,554.62 = 1,293.79 : x
  2. Step 2: Convert to fraction form
    1,854.31/2,554.62 = 1,293.79/x
  3. Step 3: Cross multiply
    1,854.31x = 2,554.62 × 1,293.79
  4. Step 4: Simplify right side
    1,854.31x = 3,305,142.64
  5. Step 5: Solve for x
    x = 3,305,142.64/1,854.31
  6. Step 6: Final answer
    x = 1,782.41

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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.