Home / 3,815.96-5,725.04-1,869.24

Finding the Fourth Proportional to 3,815.96, 5,725.04 and 1,869.24

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Solution

The fourth proportional to 3,815.96, 5,725.04 and 1,869.24 is: 2,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.96 : 5,725.04 = 1,869.24 : x
  2. Step 2: Convert to fraction form
    3,815.96/5,725.04 = 1,869.24/x
  3. Step 3: Cross multiply
    3,815.96x = 5,725.04 × 1,869.24
  4. Step 4: Simplify right side
    3,815.96x = 10,701,473.77
  5. Step 5: Solve for x
    x = 10,701,473.77/3,815.96
  6. Step 6: Final answer
    x = 2,804.40

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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.