Home / 2,805.59-3,871.73-1,627.36

Finding the Fourth Proportional to 2,805.59, 3,871.73 and 1,627.36

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Solution

The fourth proportional to 2,805.59, 3,871.73 and 1,627.36 is: 2,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.59 : 3,871.73 = 1,627.36 : x
  2. Step 2: Convert to fraction form
    2,805.59/3,871.73 = 1,627.36/x
  3. Step 3: Cross multiply
    2,805.59x = 3,871.73 × 1,627.36
  4. Step 4: Simplify right side
    2,805.59x = 6,300,698.53
  5. Step 5: Solve for x
    x = 6,300,698.53/2,805.59
  6. Step 6: Final answer
    x = 2,245.77

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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.