Home / 3,834.08-5,289.60-2,261.60

Finding the Fourth Proportional to 3,834.08, 5,289.60 and 2,261.60

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Solution

The fourth proportional to 3,834.08, 5,289.60 and 2,261.60 is: 3,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.08 : 5,289.60 = 2,261.60 : x
  2. Step 2: Convert to fraction form
    3,834.08/5,289.60 = 2,261.60/x
  3. Step 3: Cross multiply
    3,834.08x = 5,289.60 × 2,261.60
  4. Step 4: Simplify right side
    3,834.08x = 11,962,959.36
  5. Step 5: Solve for x
    x = 11,962,959.36/3,834.08
  6. Step 6: Final answer
    x = 3,120.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.