Home / 3,250.72-4,485.36-2,628.64

Finding the Fourth Proportional to 3,250.72, 4,485.36 and 2,628.64

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Solution

The fourth proportional to 3,250.72, 4,485.36 and 2,628.64 is: 3,627.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.72 : 4,485.36 = 2,628.64 : x
  2. Step 2: Convert to fraction form
    3,250.72/4,485.36 = 2,628.64/x
  3. Step 3: Cross multiply
    3,250.72x = 4,485.36 × 2,628.64
  4. Step 4: Simplify right side
    3,250.72x = 11,790,396.71
  5. Step 5: Solve for x
    x = 11,790,396.71/3,250.72
  6. Step 6: Final answer
    x = 3,627.01

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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.