Home / 1,761.93-2,638.58-1,110.69

Finding the Fourth Proportional to 1,761.93, 2,638.58 and 1,110.69

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Solution

The fourth proportional to 1,761.93, 2,638.58 and 1,110.69 is: 1,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.93 : 2,638.58 = 1,110.69 : x
  2. Step 2: Convert to fraction form
    1,761.93/2,638.58 = 1,110.69/x
  3. Step 3: Cross multiply
    1,761.93x = 2,638.58 × 1,110.69
  4. Step 4: Simplify right side
    1,761.93x = 2,930,638.87
  5. Step 5: Solve for x
    x = 2,930,638.87/1,761.93
  6. Step 6: Final answer
    x = 1,663.31

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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.