Home / 2,358.90-3,531.78-1,949.94

Finding the Fourth Proportional to 2,358.90, 3,531.78 and 1,949.94

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Solution

The fourth proportional to 2,358.90, 3,531.78 and 1,949.94 is: 2,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.90 : 3,531.78 = 1,949.94 : x
  2. Step 2: Convert to fraction form
    2,358.90/3,531.78 = 1,949.94/x
  3. Step 3: Cross multiply
    2,358.90x = 3,531.78 × 1,949.94
  4. Step 4: Simplify right side
    2,358.90x = 6,886,759.09
  5. Step 5: Solve for x
    x = 6,886,759.09/2,358.90
  6. Step 6: Final answer
    x = 2,919.48

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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.