Home / 1,635.92-2,450.29-1,507.89

Finding the Fourth Proportional to 1,635.92, 2,450.29 and 1,507.89

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Solution

The fourth proportional to 1,635.92, 2,450.29 and 1,507.89 is: 2,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.92 : 2,450.29 = 1,507.89 : x
  2. Step 2: Convert to fraction form
    1,635.92/2,450.29 = 1,507.89/x
  3. Step 3: Cross multiply
    1,635.92x = 2,450.29 × 1,507.89
  4. Step 4: Simplify right side
    1,635.92x = 3,694,760.25
  5. Step 5: Solve for x
    x = 3,694,760.25/1,635.92
  6. Step 6: Final answer
    x = 2,258.52

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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.