Home / 2,419.50-3,338.73-1,371.54

Finding the Fourth Proportional to 2,419.50, 3,338.73 and 1,371.54

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Solution

The fourth proportional to 2,419.50, 3,338.73 and 1,371.54 is: 1,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.50 : 3,338.73 = 1,371.54 : x
  2. Step 2: Convert to fraction form
    2,419.50/3,338.73 = 1,371.54/x
  3. Step 3: Cross multiply
    2,419.50x = 3,338.73 × 1,371.54
  4. Step 4: Simplify right side
    2,419.50x = 4,579,201.74
  5. Step 5: Solve for x
    x = 4,579,201.74/2,419.50
  6. Step 6: Final answer
    x = 1,892.62

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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.