Home / 3,868.76-5,336.95-2,608.22

Finding the Fourth Proportional to 3,868.76, 5,336.95 and 2,608.22

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Solution

The fourth proportional to 3,868.76, 5,336.95 and 2,608.22 is: 3,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.76 : 5,336.95 = 2,608.22 : x
  2. Step 2: Convert to fraction form
    3,868.76/5,336.95 = 2,608.22/x
  3. Step 3: Cross multiply
    3,868.76x = 5,336.95 × 2,608.22
  4. Step 4: Simplify right side
    3,868.76x = 13,919,926.69
  5. Step 5: Solve for x
    x = 13,919,926.69/3,868.76
  6. Step 6: Final answer
    x = 3,598.03

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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.