Home / 3,399.41-4,690.80-1,907.02

Finding the Fourth Proportional to 3,399.41, 4,690.80 and 1,907.02

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Solution

The fourth proportional to 3,399.41, 4,690.80 and 1,907.02 is: 2,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.41 : 4,690.80 = 1,907.02 : x
  2. Step 2: Convert to fraction form
    3,399.41/4,690.80 = 1,907.02/x
  3. Step 3: Cross multiply
    3,399.41x = 4,690.80 × 1,907.02
  4. Step 4: Simplify right side
    3,399.41x = 8,945,449.42
  5. Step 5: Solve for x
    x = 8,945,449.42/3,399.41
  6. Step 6: Final answer
    x = 2,631.47

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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.