Home / 2,830.82-4,246.27-1,075.84

Finding the Fourth Proportional to 2,830.82, 4,246.27 and 1,075.84

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Solution

The fourth proportional to 2,830.82, 4,246.27 and 1,075.84 is: 1,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.82 : 4,246.27 = 1,075.84 : x
  2. Step 2: Convert to fraction form
    2,830.82/4,246.27 = 1,075.84/x
  3. Step 3: Cross multiply
    2,830.82x = 4,246.27 × 1,075.84
  4. Step 4: Simplify right side
    2,830.82x = 4,568,293.81
  5. Step 5: Solve for x
    x = 4,568,293.81/2,830.82
  6. Step 6: Final answer
    x = 1,613.77

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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.