Home / 2,891.46-4,329.87-2,074.98

Finding the Fourth Proportional to 2,891.46, 4,329.87 and 2,074.98

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Solution

The fourth proportional to 2,891.46, 4,329.87 and 2,074.98 is: 3,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.46 : 4,329.87 = 2,074.98 : x
  2. Step 2: Convert to fraction form
    2,891.46/4,329.87 = 2,074.98/x
  3. Step 3: Cross multiply
    2,891.46x = 4,329.87 × 2,074.98
  4. Step 4: Simplify right side
    2,891.46x = 8,984,393.65
  5. Step 5: Solve for x
    x = 8,984,393.65/2,891.46
  6. Step 6: Final answer
    x = 3,107.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.