Home / 3,653.10-5,485.05-2,832.30

Finding the Fourth Proportional to 3,653.10, 5,485.05 and 2,832.30

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Solution

The fourth proportional to 3,653.10, 5,485.05 and 2,832.30 is: 4,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.10 : 5,485.05 = 2,832.30 : x
  2. Step 2: Convert to fraction form
    3,653.10/5,485.05 = 2,832.30/x
  3. Step 3: Cross multiply
    3,653.10x = 5,485.05 × 2,832.30
  4. Step 4: Simplify right side
    3,653.10x = 15,535,307.12
  5. Step 5: Solve for x
    x = 15,535,307.12/3,653.10
  6. Step 6: Final answer
    x = 4,252.64

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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.