Home / 3,685.95-5,513.74-3,361.55

Finding the Fourth Proportional to 3,685.95, 5,513.74 and 3,361.55

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Solution

The fourth proportional to 3,685.95, 5,513.74 and 3,361.55 is: 5,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.95 : 5,513.74 = 3,361.55 : x
  2. Step 2: Convert to fraction form
    3,685.95/5,513.74 = 3,361.55/x
  3. Step 3: Cross multiply
    3,685.95x = 5,513.74 × 3,361.55
  4. Step 4: Simplify right side
    3,685.95x = 18,534,676.72
  5. Step 5: Solve for x
    x = 18,534,676.72/3,685.95
  6. Step 6: Final answer
    x = 5,028.47

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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.