Home / 2,125.65-2,933.43-1,241.31

Finding the Fourth Proportional to 2,125.65, 2,933.43 and 1,241.31

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Solution

The fourth proportional to 2,125.65, 2,933.43 and 1,241.31 is: 1,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.65 : 2,933.43 = 1,241.31 : x
  2. Step 2: Convert to fraction form
    2,125.65/2,933.43 = 1,241.31/x
  3. Step 3: Cross multiply
    2,125.65x = 2,933.43 × 1,241.31
  4. Step 4: Simplify right side
    2,125.65x = 3,641,295.99
  5. Step 5: Solve for x
    x = 3,641,295.99/2,125.65
  6. Step 6: Final answer
    x = 1,713.03

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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.