Home / 2,419.52-3,338.90-1,357.29

Finding the Fourth Proportional to 2,419.52, 3,338.90 and 1,357.29

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Solution

The fourth proportional to 2,419.52, 3,338.90 and 1,357.29 is: 1,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.52 : 3,338.90 = 1,357.29 : x
  2. Step 2: Convert to fraction form
    2,419.52/3,338.90 = 1,357.29/x
  3. Step 3: Cross multiply
    2,419.52x = 3,338.90 × 1,357.29
  4. Step 4: Simplify right side
    2,419.52x = 4,531,843.02
  5. Step 5: Solve for x
    x = 4,531,843.02/2,419.52
  6. Step 6: Final answer
    x = 1,873.03

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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.