Home / 3,604.32-4,975.24-2,169.80

Finding the Fourth Proportional to 3,604.32, 4,975.24 and 2,169.80

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Solution

The fourth proportional to 3,604.32, 4,975.24 and 2,169.80 is: 2,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.32 : 4,975.24 = 2,169.80 : x
  2. Step 2: Convert to fraction form
    3,604.32/4,975.24 = 2,169.80/x
  3. Step 3: Cross multiply
    3,604.32x = 4,975.24 × 2,169.80
  4. Step 4: Simplify right side
    3,604.32x = 10,795,275.75
  5. Step 5: Solve for x
    x = 10,795,275.75/3,604.32
  6. Step 6: Final answer
    x = 2,995.09

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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.