Home / 3,679.23-5,077.44-2,187.95

Finding the Fourth Proportional to 3,679.23, 5,077.44 and 2,187.95

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Solution

The fourth proportional to 3,679.23, 5,077.44 and 2,187.95 is: 3,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.23 : 5,077.44 = 2,187.95 : x
  2. Step 2: Convert to fraction form
    3,679.23/5,077.44 = 2,187.95/x
  3. Step 3: Cross multiply
    3,679.23x = 5,077.44 × 2,187.95
  4. Step 4: Simplify right side
    3,679.23x = 11,109,173.91
  5. Step 5: Solve for x
    x = 11,109,173.91/3,679.23
  6. Step 6: Final answer
    x = 3,019.43

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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.