Home / 3,610.36-5,414.61-1,419.10

Finding the Fourth Proportional to 3,610.36, 5,414.61 and 1,419.10

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Solution

The fourth proportional to 3,610.36, 5,414.61 and 1,419.10 is: 2,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.36 : 5,414.61 = 1,419.10 : x
  2. Step 2: Convert to fraction form
    3,610.36/5,414.61 = 1,419.10/x
  3. Step 3: Cross multiply
    3,610.36x = 5,414.61 × 1,419.10
  4. Step 4: Simplify right side
    3,610.36x = 7,683,873.05
  5. Step 5: Solve for x
    x = 7,683,873.05/3,610.36
  6. Step 6: Final answer
    x = 2,128.28

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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.