Home / 3,185.12-4,774.86-2,600.12

Finding the Fourth Proportional to 3,185.12, 4,774.86 and 2,600.12

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Solution

The fourth proportional to 3,185.12, 4,774.86 and 2,600.12 is: 3,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.12 : 4,774.86 = 2,600.12 : x
  2. Step 2: Convert to fraction form
    3,185.12/4,774.86 = 2,600.12/x
  3. Step 3: Cross multiply
    3,185.12x = 4,774.86 × 2,600.12
  4. Step 4: Simplify right side
    3,185.12x = 12,415,208.98
  5. Step 5: Solve for x
    x = 12,415,208.98/3,185.12
  6. Step 6: Final answer
    x = 3,897.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.