Home / 2,189.60-3,021.74-1,194.94

Finding the Fourth Proportional to 2,189.60, 3,021.74 and 1,194.94

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Solution

The fourth proportional to 2,189.60, 3,021.74 and 1,194.94 is: 1,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.60 : 3,021.74 = 1,194.94 : x
  2. Step 2: Convert to fraction form
    2,189.60/3,021.74 = 1,194.94/x
  3. Step 3: Cross multiply
    2,189.60x = 3,021.74 × 1,194.94
  4. Step 4: Simplify right side
    2,189.60x = 3,610,798.00
  5. Step 5: Solve for x
    x = 3,610,798.00/2,189.60
  6. Step 6: Final answer
    x = 1,649.07

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1.5x scale

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.