Home / 1,632.79-2,449.19-1,623.88

Finding the Fourth Proportional to 1,632.79, 2,449.19 and 1,623.88

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Solution

The fourth proportional to 1,632.79, 2,449.19 and 1,623.88 is: 2,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.79 : 2,449.19 = 1,623.88 : x
  2. Step 2: Convert to fraction form
    1,632.79/2,449.19 = 1,623.88/x
  3. Step 3: Cross multiply
    1,632.79x = 2,449.19 × 1,623.88
  4. Step 4: Simplify right side
    1,632.79x = 3,977,190.66
  5. Step 5: Solve for x
    x = 3,977,190.66/1,632.79
  6. Step 6: Final answer
    x = 2,435.82

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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.