Home / 3,185.42-4,776.35-2,531.48

Finding the Fourth Proportional to 3,185.42, 4,776.35 and 2,531.48

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Solution

The fourth proportional to 3,185.42, 4,776.35 and 2,531.48 is: 3,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.42 : 4,776.35 = 2,531.48 : x
  2. Step 2: Convert to fraction form
    3,185.42/4,776.35 = 2,531.48/x
  3. Step 3: Cross multiply
    3,185.42x = 4,776.35 × 2,531.48
  4. Step 4: Simplify right side
    3,185.42x = 12,091,234.50
  5. Step 5: Solve for x
    x = 12,091,234.50/3,185.42
  6. Step 6: Final answer
    x = 3,795.81

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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.