Home / 3,087.67-4,261.06-1,761.50

Finding the Fourth Proportional to 3,087.67, 4,261.06 and 1,761.50

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Solution

The fourth proportional to 3,087.67, 4,261.06 and 1,761.50 is: 2,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.67 : 4,261.06 = 1,761.50 : x
  2. Step 2: Convert to fraction form
    3,087.67/4,261.06 = 1,761.50/x
  3. Step 3: Cross multiply
    3,087.67x = 4,261.06 × 1,761.50
  4. Step 4: Simplify right side
    3,087.67x = 7,505,857.19
  5. Step 5: Solve for x
    x = 7,505,857.19/3,087.67
  6. Step 6: Final answer
    x = 2,430.91

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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.