Home / 3,179.25-4,762.80-2,482.65

Finding the Fourth Proportional to 3,179.25, 4,762.80 and 2,482.65

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Solution

The fourth proportional to 3,179.25, 4,762.80 and 2,482.65 is: 3,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.25 : 4,762.80 = 2,482.65 : x
  2. Step 2: Convert to fraction form
    3,179.25/4,762.80 = 2,482.65/x
  3. Step 3: Cross multiply
    3,179.25x = 4,762.80 × 2,482.65
  4. Step 4: Simplify right side
    3,179.25x = 11,824,365.42
  5. Step 5: Solve for x
    x = 11,824,365.42/3,179.25
  6. Step 6: Final answer
    x = 3,719.23

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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.