Home / 3,228.42-4,841.47-1,379.67

Finding the Fourth Proportional to 3,228.42, 4,841.47 and 1,379.67

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Solution

The fourth proportional to 3,228.42, 4,841.47 and 1,379.67 is: 2,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.42 : 4,841.47 = 1,379.67 : x
  2. Step 2: Convert to fraction form
    3,228.42/4,841.47 = 1,379.67/x
  3. Step 3: Cross multiply
    3,228.42x = 4,841.47 × 1,379.67
  4. Step 4: Simplify right side
    3,228.42x = 6,679,614.48
  5. Step 5: Solve for x
    x = 6,679,614.48/3,228.42
  6. Step 6: Final answer
    x = 2,069.00

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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.