Home / 3,923.87-5,419.19-2,435.34

Finding the Fourth Proportional to 3,923.87, 5,419.19 and 2,435.34

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Solution

The fourth proportional to 3,923.87, 5,419.19 and 2,435.34 is: 3,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.87 : 5,419.19 = 2,435.34 : x
  2. Step 2: Convert to fraction form
    3,923.87/5,419.19 = 2,435.34/x
  3. Step 3: Cross multiply
    3,923.87x = 5,419.19 × 2,435.34
  4. Step 4: Simplify right side
    3,923.87x = 13,197,576.26
  5. Step 5: Solve for x
    x = 13,197,576.26/3,923.87
  6. Step 6: Final answer
    x = 3,363.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.