Home / 2,419.74-3,628.86-1,249.38

Finding the Fourth Proportional to 2,419.74, 3,628.86 and 1,249.38

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Solution

The fourth proportional to 2,419.74, 3,628.86 and 1,249.38 is: 1,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.74 : 3,628.86 = 1,249.38 : x
  2. Step 2: Convert to fraction form
    2,419.74/3,628.86 = 1,249.38/x
  3. Step 3: Cross multiply
    2,419.74x = 3,628.86 × 1,249.38
  4. Step 4: Simplify right side
    2,419.74x = 4,533,825.11
  5. Step 5: Solve for x
    x = 4,533,825.11/2,419.74
  6. Step 6: Final answer
    x = 1,873.68

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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.