Home / 4,199.50-5,795.31-2,311.12

Finding the Fourth Proportional to 4,199.50, 5,795.31 and 2,311.12

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Solution

The fourth proportional to 4,199.50, 5,795.31 and 2,311.12 is: 3,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.50 : 5,795.31 = 2,311.12 : x
  2. Step 2: Convert to fraction form
    4,199.50/5,795.31 = 2,311.12/x
  3. Step 3: Cross multiply
    4,199.50x = 5,795.31 × 2,311.12
  4. Step 4: Simplify right side
    4,199.50x = 13,393,656.85
  5. Step 5: Solve for x
    x = 13,393,656.85/4,199.50
  6. Step 6: Final answer
    x = 3,189.35

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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.