Home / 3,725.65-5,583.41-1,878.04

Finding the Fourth Proportional to 3,725.65, 5,583.41 and 1,878.04

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Solution

The fourth proportional to 3,725.65, 5,583.41 and 1,878.04 is: 2,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.65 : 5,583.41 = 1,878.04 : x
  2. Step 2: Convert to fraction form
    3,725.65/5,583.41 = 1,878.04/x
  3. Step 3: Cross multiply
    3,725.65x = 5,583.41 × 1,878.04
  4. Step 4: Simplify right side
    3,725.65x = 10,485,867.32
  5. Step 5: Solve for x
    x = 10,485,867.32/3,725.65
  6. Step 6: Final answer
    x = 2,814.51

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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.