Home / 3,653.37-5,035.72-2,855.28

Finding the Fourth Proportional to 3,653.37, 5,035.72 and 2,855.28

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Solution

The fourth proportional to 3,653.37, 5,035.72 and 2,855.28 is: 3,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.37 : 5,035.72 = 2,855.28 : x
  2. Step 2: Convert to fraction form
    3,653.37/5,035.72 = 2,855.28/x
  3. Step 3: Cross multiply
    3,653.37x = 5,035.72 × 2,855.28
  4. Step 4: Simplify right side
    3,653.37x = 14,378,376.33
  5. Step 5: Solve for x
    x = 14,378,376.33/3,653.37
  6. Step 6: Final answer
    x = 3,935.65

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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.