Home / 3,087.48-4,260.69-1,761.96

Finding the Fourth Proportional to 3,087.48, 4,260.69 and 1,761.96

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Solution

The fourth proportional to 3,087.48, 4,260.69 and 1,761.96 is: 2,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.48 : 4,260.69 = 1,761.96 : x
  2. Step 2: Convert to fraction form
    3,087.48/4,260.69 = 1,761.96/x
  3. Step 3: Cross multiply
    3,087.48x = 4,260.69 × 1,761.96
  4. Step 4: Simplify right side
    3,087.48x = 7,507,165.35
  5. Step 5: Solve for x
    x = 7,507,165.35/3,087.48
  6. Step 6: Final answer
    x = 2,431.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.