Home / 2,805.33-3,871.70-1,626.45

Finding the Fourth Proportional to 2,805.33, 3,871.70 and 1,626.45

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Solution

The fourth proportional to 2,805.33, 3,871.70 and 1,626.45 is: 2,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.33 : 3,871.70 = 1,626.45 : x
  2. Step 2: Convert to fraction form
    2,805.33/3,871.70 = 1,626.45/x
  3. Step 3: Cross multiply
    2,805.33x = 3,871.70 × 1,626.45
  4. Step 4: Simplify right side
    2,805.33x = 6,297,118.33
  5. Step 5: Solve for x
    x = 6,297,118.33/2,805.33
  6. Step 6: Final answer
    x = 2,244.70

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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.