Home / 2,674.12-3,690.30-1,625.96

Finding the Fourth Proportional to 2,674.12, 3,690.30 and 1,625.96

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Solution

The fourth proportional to 2,674.12, 3,690.30 and 1,625.96 is: 2,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.12 : 3,690.30 = 1,625.96 : x
  2. Step 2: Convert to fraction form
    2,674.12/3,690.30 = 1,625.96/x
  3. Step 3: Cross multiply
    2,674.12x = 3,690.30 × 1,625.96
  4. Step 4: Simplify right side
    2,674.12x = 6,000,280.19
  5. Step 5: Solve for x
    x = 6,000,280.19/2,674.12
  6. Step 6: Final answer
    x = 2,243.83

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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.