Home / 2,695.19-4,040.82-845.28

Finding the Fourth Proportional to 2,695.19, 4,040.82 and 845.28

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Solution

The fourth proportional to 2,695.19, 4,040.82 and 845.28 is: 1,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.19 : 4,040.82 = 845.28 : x
  2. Step 2: Convert to fraction form
    2,695.19/4,040.82 = 845.28/x
  3. Step 3: Cross multiply
    2,695.19x = 4,040.82 × 845.28
  4. Step 4: Simplify right side
    2,695.19x = 3,415,624.33
  5. Step 5: Solve for x
    x = 3,415,624.33/2,695.19
  6. Step 6: Final answer
    x = 1,267.31

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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.