Home / 2,805.51-3,871.15-1,626.36

Finding the Fourth Proportional to 2,805.51, 3,871.15 and 1,626.36

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Solution

The fourth proportional to 2,805.51, 3,871.15 and 1,626.36 is: 2,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.51 : 3,871.15 = 1,626.36 : x
  2. Step 2: Convert to fraction form
    2,805.51/3,871.15 = 1,626.36/x
  3. Step 3: Cross multiply
    2,805.51x = 3,871.15 × 1,626.36
  4. Step 4: Simplify right side
    2,805.51x = 6,295,883.51
  5. Step 5: Solve for x
    x = 6,295,883.51/2,805.51
  6. Step 6: Final answer
    x = 2,244.11

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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.