Home / 1,465.33-2,021.82-875.75

Finding the Fourth Proportional to 1,465.33, 2,021.82 and 875.75

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Solution

The fourth proportional to 1,465.33, 2,021.82 and 875.75 is: 1,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.33 : 2,021.82 = 875.75 : x
  2. Step 2: Convert to fraction form
    1,465.33/2,021.82 = 875.75/x
  3. Step 3: Cross multiply
    1,465.33x = 2,021.82 × 875.75
  4. Step 4: Simplify right side
    1,465.33x = 1,770,608.87
  5. Step 5: Solve for x
    x = 1,770,608.87/1,465.33
  6. Step 6: Final answer
    x = 1,208.33

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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.