Home / 2,761.16-4,142.48-1,117.33

Finding the Fourth Proportional to 2,761.16, 4,142.48 and 1,117.33

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Solution

The fourth proportional to 2,761.16, 4,142.48 and 1,117.33 is: 1,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.16 : 4,142.48 = 1,117.33 : x
  2. Step 2: Convert to fraction form
    2,761.16/4,142.48 = 1,117.33/x
  3. Step 3: Cross multiply
    2,761.16x = 4,142.48 × 1,117.33
  4. Step 4: Simplify right side
    2,761.16x = 4,628,501.24
  5. Step 5: Solve for x
    x = 4,628,501.24/2,761.16
  6. Step 6: Final answer
    x = 1,676.29

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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.