Home / 2,842.09-3,921.41-1,663.34

Finding the Fourth Proportional to 2,842.09, 3,921.41 and 1,663.34

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Solution

The fourth proportional to 2,842.09, 3,921.41 and 1,663.34 is: 2,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.09 : 3,921.41 = 1,663.34 : x
  2. Step 2: Convert to fraction form
    2,842.09/3,921.41 = 1,663.34/x
  3. Step 3: Cross multiply
    2,842.09x = 3,921.41 × 1,663.34
  4. Step 4: Simplify right side
    2,842.09x = 6,522,622.66
  5. Step 5: Solve for x
    x = 6,522,622.66/2,842.09
  6. Step 6: Final answer
    x = 2,295.01

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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.