Home / 2,975.55-4,464.95-1,880.43

Finding the Fourth Proportional to 2,975.55, 4,464.95 and 1,880.43

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Solution

The fourth proportional to 2,975.55, 4,464.95 and 1,880.43 is: 2,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.55 : 4,464.95 = 1,880.43 : x
  2. Step 2: Convert to fraction form
    2,975.55/4,464.95 = 1,880.43/x
  3. Step 3: Cross multiply
    2,975.55x = 4,464.95 × 1,880.43
  4. Step 4: Simplify right side
    2,975.55x = 8,396,025.93
  5. Step 5: Solve for x
    x = 8,396,025.93/2,975.55
  6. Step 6: Final answer
    x = 2,821.67

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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.