Home / 1,976.04-2,720.97-1,695.60

Finding the Fourth Proportional to 1,976.04, 2,720.97 and 1,695.60

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Solution

The fourth proportional to 1,976.04, 2,720.97 and 1,695.60 is: 2,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.04 : 2,720.97 = 1,695.60 : x
  2. Step 2: Convert to fraction form
    1,976.04/2,720.97 = 1,695.60/x
  3. Step 3: Cross multiply
    1,976.04x = 2,720.97 × 1,695.60
  4. Step 4: Simplify right side
    1,976.04x = 4,613,676.73
  5. Step 5: Solve for x
    x = 4,613,676.73/1,976.04
  6. Step 6: Final answer
    x = 2,334.81

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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.