Home / 3,226.31-4,450.70-2,045.51

Finding the Fourth Proportional to 3,226.31, 4,450.70 and 2,045.51

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Solution

The fourth proportional to 3,226.31, 4,450.70 and 2,045.51 is: 2,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.31 : 4,450.70 = 2,045.51 : x
  2. Step 2: Convert to fraction form
    3,226.31/4,450.70 = 2,045.51/x
  3. Step 3: Cross multiply
    3,226.31x = 4,450.70 × 2,045.51
  4. Step 4: Simplify right side
    3,226.31x = 9,103,941.13
  5. Step 5: Solve for x
    x = 9,103,941.13/3,226.31
  6. Step 6: Final answer
    x = 2,821.78

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1.5x scale

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.