Home / 3,189.51-4,403.70-2,601.45

Finding the Fourth Proportional to 3,189.51, 4,403.70 and 2,601.45

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Solution

The fourth proportional to 3,189.51, 4,403.70 and 2,601.45 is: 3,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.51 : 4,403.70 = 2,601.45 : x
  2. Step 2: Convert to fraction form
    3,189.51/4,403.70 = 2,601.45/x
  3. Step 3: Cross multiply
    3,189.51x = 4,403.70 × 2,601.45
  4. Step 4: Simplify right side
    3,189.51x = 11,456,005.37
  5. Step 5: Solve for x
    x = 11,456,005.37/3,189.51
  6. Step 6: Final answer
    x = 3,591.78

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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.