Home / 2,823.09-4,232.75-1,089.69

Finding the Fourth Proportional to 2,823.09, 4,232.75 and 1,089.69

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Solution

The fourth proportional to 2,823.09, 4,232.75 and 1,089.69 is: 1,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.09 : 4,232.75 = 1,089.69 : x
  2. Step 2: Convert to fraction form
    2,823.09/4,232.75 = 1,089.69/x
  3. Step 3: Cross multiply
    2,823.09x = 4,232.75 × 1,089.69
  4. Step 4: Simplify right side
    2,823.09x = 4,612,379.90
  5. Step 5: Solve for x
    x = 4,612,379.90/2,823.09
  6. Step 6: Final answer
    x = 1,633.81

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1.5x scale

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.