Home / 2,195.99-3,030.47-1,201.27

Finding the Fourth Proportional to 2,195.99, 3,030.47 and 1,201.27

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Solution

The fourth proportional to 2,195.99, 3,030.47 and 1,201.27 is: 1,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.99 : 3,030.47 = 1,201.27 : x
  2. Step 2: Convert to fraction form
    2,195.99/3,030.47 = 1,201.27/x
  3. Step 3: Cross multiply
    2,195.99x = 3,030.47 × 1,201.27
  4. Step 4: Simplify right side
    2,195.99x = 3,640,412.70
  5. Step 5: Solve for x
    x = 3,640,412.70/2,195.99
  6. Step 6: Final answer
    x = 1,657.75

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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.