Home / 3,874.98-5,814.09-1,685.55

Finding the Fourth Proportional to 3,874.98, 5,814.09 and 1,685.55

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Solution

The fourth proportional to 3,874.98, 5,814.09 and 1,685.55 is: 2,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.98 : 5,814.09 = 1,685.55 : x
  2. Step 2: Convert to fraction form
    3,874.98/5,814.09 = 1,685.55/x
  3. Step 3: Cross multiply
    3,874.98x = 5,814.09 × 1,685.55
  4. Step 4: Simplify right side
    3,874.98x = 9,799,939.40
  5. Step 5: Solve for x
    x = 9,799,939.40/3,874.98
  6. Step 6: Final answer
    x = 2,529.03

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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.