Home / 3,877.44-5,817.71-1,412.43

Finding the Fourth Proportional to 3,877.44, 5,817.71 and 1,412.43

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Solution

The fourth proportional to 3,877.44, 5,817.71 and 1,412.43 is: 2,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.44 : 5,817.71 = 1,412.43 : x
  2. Step 2: Convert to fraction form
    3,877.44/5,817.71 = 1,412.43/x
  3. Step 3: Cross multiply
    3,877.44x = 5,817.71 × 1,412.43
  4. Step 4: Simplify right side
    3,877.44x = 8,217,075.52
  5. Step 5: Solve for x
    x = 8,217,075.52/3,877.44
  6. Step 6: Final answer
    x = 2,119.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.