Home / 3,681.94-5,081.22-2,110.35

Finding the Fourth Proportional to 3,681.94, 5,081.22 and 2,110.35

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Solution

The fourth proportional to 3,681.94, 5,081.22 and 2,110.35 is: 2,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.94 : 5,081.22 = 2,110.35 : x
  2. Step 2: Convert to fraction form
    3,681.94/5,081.22 = 2,110.35/x
  3. Step 3: Cross multiply
    3,681.94x = 5,081.22 × 2,110.35
  4. Step 4: Simplify right side
    3,681.94x = 10,723,152.63
  5. Step 5: Solve for x
    x = 10,723,152.63/3,681.94
  6. Step 6: Final answer
    x = 2,912.36

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1.5x scale

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.