Home / 2,419.30-3,338.62-1,371.36

Finding the Fourth Proportional to 2,419.30, 3,338.62 and 1,371.36

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Solution

The fourth proportional to 2,419.30, 3,338.62 and 1,371.36 is: 1,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.30 : 3,338.62 = 1,371.36 : x
  2. Step 2: Convert to fraction form
    2,419.30/3,338.62 = 1,371.36/x
  3. Step 3: Cross multiply
    2,419.30x = 3,338.62 × 1,371.36
  4. Step 4: Simplify right side
    2,419.30x = 4,578,459.01
  5. Step 5: Solve for x
    x = 4,578,459.01/2,419.30
  6. Step 6: Final answer
    x = 1,892.47

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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.