Home / 3,878.37-5,814.32-1,568.25

Finding the Fourth Proportional to 3,878.37, 5,814.32 and 1,568.25

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Solution

The fourth proportional to 3,878.37, 5,814.32 and 1,568.25 is: 2,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.37 : 5,814.32 = 1,568.25 : x
  2. Step 2: Convert to fraction form
    3,878.37/5,814.32 = 1,568.25/x
  3. Step 3: Cross multiply
    3,878.37x = 5,814.32 × 1,568.25
  4. Step 4: Simplify right side
    3,878.37x = 9,118,299.50
  5. Step 5: Solve for x
    x = 9,118,299.50/3,878.37
  6. Step 6: Final answer
    x = 2,351.06

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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.