Home / 3,431.85-4,732.89-2,675.81

Finding the Fourth Proportional to 3,431.85, 4,732.89 and 2,675.81

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Solution

The fourth proportional to 3,431.85, 4,732.89 and 2,675.81 is: 3,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.85 : 4,732.89 = 2,675.81 : x
  2. Step 2: Convert to fraction form
    3,431.85/4,732.89 = 2,675.81/x
  3. Step 3: Cross multiply
    3,431.85x = 4,732.89 × 2,675.81
  4. Step 4: Simplify right side
    3,431.85x = 12,664,326.22
  5. Step 5: Solve for x
    x = 12,664,326.22/3,431.85
  6. Step 6: Final answer
    x = 3,690.24

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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.