Home / 2,189.43-3,284.26-1,670.24

Finding the Fourth Proportional to 2,189.43, 3,284.26 and 1,670.24

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Solution

The fourth proportional to 2,189.43, 3,284.26 and 1,670.24 is: 2,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.43 : 3,284.26 = 1,670.24 : x
  2. Step 2: Convert to fraction form
    2,189.43/3,284.26 = 1,670.24/x
  3. Step 3: Cross multiply
    2,189.43x = 3,284.26 × 1,670.24
  4. Step 4: Simplify right side
    2,189.43x = 5,485,506.46
  5. Step 5: Solve for x
    x = 5,485,506.46/2,189.43
  6. Step 6: Final answer
    x = 2,505.45

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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.