Home / 2,268.98-3,131.84-1,325.00

Finding the Fourth Proportional to 2,268.98, 3,131.84 and 1,325.00

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Solution

The fourth proportional to 2,268.98, 3,131.84 and 1,325.00 is: 1,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.98 : 3,131.84 = 1,325.00 : x
  2. Step 2: Convert to fraction form
    2,268.98/3,131.84 = 1,325.00/x
  3. Step 3: Cross multiply
    2,268.98x = 3,131.84 × 1,325.00
  4. Step 4: Simplify right side
    2,268.98x = 4,149,675.65
  5. Step 5: Solve for x
    x = 4,149,675.65/2,268.98
  6. Step 6: Final answer
    x = 1,828.87

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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.