Home / 3,745.95-5,169.06-2,173.89

Finding the Fourth Proportional to 3,745.95, 5,169.06 and 2,173.89

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Solution

The fourth proportional to 3,745.95, 5,169.06 and 2,173.89 is: 2,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.95 : 5,169.06 = 2,173.89 : x
  2. Step 2: Convert to fraction form
    3,745.95/5,169.06 = 2,173.89/x
  3. Step 3: Cross multiply
    3,745.95x = 5,169.06 × 2,173.89
  4. Step 4: Simplify right side
    3,745.95x = 11,236,967.84
  5. Step 5: Solve for x
    x = 11,236,967.84/3,745.95
  6. Step 6: Final answer
    x = 2,999.76

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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.