Home / 2,880.20-4,316.67-1,234.82

Finding the Fourth Proportional to 2,880.20, 4,316.67 and 1,234.82

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Solution

The fourth proportional to 2,880.20, 4,316.67 and 1,234.82 is: 1,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.20 : 4,316.67 = 1,234.82 : x
  2. Step 2: Convert to fraction form
    2,880.20/4,316.67 = 1,234.82/x
  3. Step 3: Cross multiply
    2,880.20x = 4,316.67 × 1,234.82
  4. Step 4: Simplify right side
    2,880.20x = 5,330,310.45
  5. Step 5: Solve for x
    x = 5,330,310.45/2,880.20
  6. Step 6: Final answer
    x = 1,850.67

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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.