Home / 2,803.21-4,203.43-1,633.61

Finding the Fourth Proportional to 2,803.21, 4,203.43 and 1,633.61

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Solution

The fourth proportional to 2,803.21, 4,203.43 and 1,633.61 is: 2,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.21 : 4,203.43 = 1,633.61 : x
  2. Step 2: Convert to fraction form
    2,803.21/4,203.43 = 1,633.61/x
  3. Step 3: Cross multiply
    2,803.21x = 4,203.43 × 1,633.61
  4. Step 4: Simplify right side
    2,803.21x = 6,866,771.71
  5. Step 5: Solve for x
    x = 6,866,771.71/2,803.21
  6. Step 6: Final answer
    x = 2,449.61

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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.