Home / 2,670.03-3,682.95-1,922.79

Finding the Fourth Proportional to 2,670.03, 3,682.95 and 1,922.79

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Solution

The fourth proportional to 2,670.03, 3,682.95 and 1,922.79 is: 2,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.03 : 3,682.95 = 1,922.79 : x
  2. Step 2: Convert to fraction form
    2,670.03/3,682.95 = 1,922.79/x
  3. Step 3: Cross multiply
    2,670.03x = 3,682.95 × 1,922.79
  4. Step 4: Simplify right side
    2,670.03x = 7,081,539.43
  5. Step 5: Solve for x
    x = 7,081,539.43/2,670.03
  6. Step 6: Final answer
    x = 2,652.23

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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.