Home / 3,816.81-5,725.26-1,351.65

Finding the Fourth Proportional to 3,816.81, 5,725.26 and 1,351.65

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Solution

The fourth proportional to 3,816.81, 5,725.26 and 1,351.65 is: 2,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.81 : 5,725.26 = 1,351.65 : x
  2. Step 2: Convert to fraction form
    3,816.81/5,725.26 = 1,351.65/x
  3. Step 3: Cross multiply
    3,816.81x = 5,725.26 × 1,351.65
  4. Step 4: Simplify right side
    3,816.81x = 7,738,547.68
  5. Step 5: Solve for x
    x = 7,738,547.68/3,816.81
  6. Step 6: Final answer
    x = 2,027.49

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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.