Home / 3,226.27-4,839.45-917.77

Finding the Fourth Proportional to 3,226.27, 4,839.45 and 917.77

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Solution

The fourth proportional to 3,226.27, 4,839.45 and 917.77 is: 1,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.27 : 4,839.45 = 917.77 : x
  2. Step 2: Convert to fraction form
    3,226.27/4,839.45 = 917.77/x
  3. Step 3: Cross multiply
    3,226.27x = 4,839.45 × 917.77
  4. Step 4: Simplify right side
    3,226.27x = 4,441,502.03
  5. Step 5: Solve for x
    x = 4,441,502.03/3,226.27
  6. Step 6: Final answer
    x = 1,376.67

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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.