Home / 3,247.98-4,482.79-1,922.42

Finding the Fourth Proportional to 3,247.98, 4,482.79 and 1,922.42

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Solution

The fourth proportional to 3,247.98, 4,482.79 and 1,922.42 is: 2,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.98 : 4,482.79 = 1,922.42 : x
  2. Step 2: Convert to fraction form
    3,247.98/4,482.79 = 1,922.42/x
  3. Step 3: Cross multiply
    3,247.98x = 4,482.79 × 1,922.42
  4. Step 4: Simplify right side
    3,247.98x = 8,617,805.15
  5. Step 5: Solve for x
    x = 8,617,805.15/3,247.98
  6. Step 6: Final answer
    x = 2,653.28

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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.