Home / 2,239.10-3,351.45-1,196.49

Finding the Fourth Proportional to 2,239.10, 3,351.45 and 1,196.49

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Solution

The fourth proportional to 2,239.10, 3,351.45 and 1,196.49 is: 1,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.10 : 3,351.45 = 1,196.49 : x
  2. Step 2: Convert to fraction form
    2,239.10/3,351.45 = 1,196.49/x
  3. Step 3: Cross multiply
    2,239.10x = 3,351.45 × 1,196.49
  4. Step 4: Simplify right side
    2,239.10x = 4,009,976.41
  5. Step 5: Solve for x
    x = 4,009,976.41/2,239.10
  6. Step 6: Final answer
    x = 1,790.89

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1.5x scale

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.