Home / 3,706.94-5,115.58-2,028.32

Finding the Fourth Proportional to 3,706.94, 5,115.58 and 2,028.32

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Solution

The fourth proportional to 3,706.94, 5,115.58 and 2,028.32 is: 2,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.94 : 5,115.58 = 2,028.32 : x
  2. Step 2: Convert to fraction form
    3,706.94/5,115.58 = 2,028.32/x
  3. Step 3: Cross multiply
    3,706.94x = 5,115.58 × 2,028.32
  4. Step 4: Simplify right side
    3,706.94x = 10,376,033.23
  5. Step 5: Solve for x
    x = 10,376,033.23/3,706.94
  6. Step 6: Final answer
    x = 2,799.08

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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.