Home / 3,300.60-4,950.88-1,327.12

Finding the Fourth Proportional to 3,300.60, 4,950.88 and 1,327.12

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Solution

The fourth proportional to 3,300.60, 4,950.88 and 1,327.12 is: 1,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.60 : 4,950.88 = 1,327.12 : x
  2. Step 2: Convert to fraction form
    3,300.60/4,950.88 = 1,327.12/x
  3. Step 3: Cross multiply
    3,300.60x = 4,950.88 × 1,327.12
  4. Step 4: Simplify right side
    3,300.60x = 6,570,411.87
  5. Step 5: Solve for x
    x = 6,570,411.87/3,300.60
  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.