Home / 3,995.35-5,515.46-2,653.08

Finding the Fourth Proportional to 3,995.35, 5,515.46 and 2,653.08

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Solution

The fourth proportional to 3,995.35, 5,515.46 and 2,653.08 is: 3,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.35 : 5,515.46 = 2,653.08 : x
  2. Step 2: Convert to fraction form
    3,995.35/5,515.46 = 2,653.08/x
  3. Step 3: Cross multiply
    3,995.35x = 5,515.46 × 2,653.08
  4. Step 4: Simplify right side
    3,995.35x = 14,632,956.62
  5. Step 5: Solve for x
    x = 14,632,956.62/3,995.35
  6. Step 6: Final answer
    x = 3,662.50

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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.