Home / 3,919.37-5,875.81-2,683.71

Finding the Fourth Proportional to 3,919.37, 5,875.81 and 2,683.71

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Solution

The fourth proportional to 3,919.37, 5,875.81 and 2,683.71 is: 4,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.37 : 5,875.81 = 2,683.71 : x
  2. Step 2: Convert to fraction form
    3,919.37/5,875.81 = 2,683.71/x
  3. Step 3: Cross multiply
    3,919.37x = 5,875.81 × 2,683.71
  4. Step 4: Simplify right side
    3,919.37x = 15,768,963.35
  5. Step 5: Solve for x
    x = 15,768,963.35/3,919.37
  6. Step 6: Final answer
    x = 4,023.35

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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.