Home / 3,766.05-5,197.08-2,087.45

Finding the Fourth Proportional to 3,766.05, 5,197.08 and 2,087.45

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Solution

The fourth proportional to 3,766.05, 5,197.08 and 2,087.45 is: 2,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.05 : 5,197.08 = 2,087.45 : x
  2. Step 2: Convert to fraction form
    3,766.05/5,197.08 = 2,087.45/x
  3. Step 3: Cross multiply
    3,766.05x = 5,197.08 × 2,087.45
  4. Step 4: Simplify right side
    3,766.05x = 10,848,657.64
  5. Step 5: Solve for x
    x = 10,848,657.64/3,766.05
  6. Step 6: Final answer
    x = 2,880.65

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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.