Home / 2,861.11-4,289.80-1,884.25

Finding the Fourth Proportional to 2,861.11, 4,289.80 and 1,884.25

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Solution

The fourth proportional to 2,861.11, 4,289.80 and 1,884.25 is: 2,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.11 : 4,289.80 = 1,884.25 : x
  2. Step 2: Convert to fraction form
    2,861.11/4,289.80 = 1,884.25/x
  3. Step 3: Cross multiply
    2,861.11x = 4,289.80 × 1,884.25
  4. Step 4: Simplify right side
    2,861.11x = 8,083,055.65
  5. Step 5: Solve for x
    x = 8,083,055.65/2,861.11
  6. Step 6: Final answer
    x = 2,825.15

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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.