Home / 3,680.96-5,522.40-1,926.84

Finding the Fourth Proportional to 3,680.96, 5,522.40 and 1,926.84

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Solution

The fourth proportional to 3,680.96, 5,522.40 and 1,926.84 is: 2,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.96 : 5,522.40 = 1,926.84 : x
  2. Step 2: Convert to fraction form
    3,680.96/5,522.40 = 1,926.84/x
  3. Step 3: Cross multiply
    3,680.96x = 5,522.40 × 1,926.84
  4. Step 4: Simplify right side
    3,680.96x = 10,640,781.22
  5. Step 5: Solve for x
    x = 10,640,781.22/3,680.96
  6. Step 6: Final answer
    x = 2,890.76

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1.5x scale

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.