Home / 3,920.98-5,884.31-1,456.15

Finding the Fourth Proportional to 3,920.98, 5,884.31 and 1,456.15

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Solution

The fourth proportional to 3,920.98, 5,884.31 and 1,456.15 is: 2,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.98 : 5,884.31 = 1,456.15 : x
  2. Step 2: Convert to fraction form
    3,920.98/5,884.31 = 1,456.15/x
  3. Step 3: Cross multiply
    3,920.98x = 5,884.31 × 1,456.15
  4. Step 4: Simplify right side
    3,920.98x = 8,568,438.01
  5. Step 5: Solve for x
    x = 8,568,438.01/3,920.98
  6. Step 6: Final answer
    x = 2,185.28

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1.5x scale

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.