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Finding the Fourth Proportional to 3,300.58, 4,950.87 and 1,327.11

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Solution

The fourth proportional to 3,300.58, 4,950.87 and 1,327.11 is: 1,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.58 : 4,950.87 = 1,327.11 : x
  2. Step 2: Convert to fraction form
    3,300.58/4,950.87 = 1,327.11/x
  3. Step 3: Cross multiply
    3,300.58x = 4,950.87 × 1,327.11
  4. Step 4: Simplify right side
    3,300.58x = 6,570,349.09
  5. Step 5: Solve for x
    x = 6,570,349.09/3,300.58
  6. Step 6: Final answer
    x = 1,990.67

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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.