Home / 3,211.89-4,814.82-1,130.73

Finding the Fourth Proportional to 3,211.89, 4,814.82 and 1,130.73

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Solution

The fourth proportional to 3,211.89, 4,814.82 and 1,130.73 is: 1,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.89 : 4,814.82 = 1,130.73 : x
  2. Step 2: Convert to fraction form
    3,211.89/4,814.82 = 1,130.73/x
  3. Step 3: Cross multiply
    3,211.89x = 4,814.82 × 1,130.73
  4. Step 4: Simplify right side
    3,211.89x = 5,444,261.42
  5. Step 5: Solve for x
    x = 5,444,261.42/3,211.89
  6. Step 6: Final answer
    x = 1,695.03

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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.