Home / 2,456.67-3,391.82-1,888.49

Finding the Fourth Proportional to 2,456.67, 3,391.82 and 1,888.49

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Solution

The fourth proportional to 2,456.67, 3,391.82 and 1,888.49 is: 2,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.67 : 3,391.82 = 1,888.49 : x
  2. Step 2: Convert to fraction form
    2,456.67/3,391.82 = 1,888.49/x
  3. Step 3: Cross multiply
    2,456.67x = 3,391.82 × 1,888.49
  4. Step 4: Simplify right side
    2,456.67x = 6,405,418.15
  5. Step 5: Solve for x
    x = 6,405,418.15/2,456.67
  6. Step 6: Final answer
    x = 2,607.36

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1.5x scale

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.