Home / 3,992.17-5,987.97-1,070.38

Finding the Fourth Proportional to 3,992.17, 5,987.97 and 1,070.38

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Solution

The fourth proportional to 3,992.17, 5,987.97 and 1,070.38 is: 1,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.17 : 5,987.97 = 1,070.38 : x
  2. Step 2: Convert to fraction form
    3,992.17/5,987.97 = 1,070.38/x
  3. Step 3: Cross multiply
    3,992.17x = 5,987.97 × 1,070.38
  4. Step 4: Simplify right side
    3,992.17x = 6,409,403.33
  5. Step 5: Solve for x
    x = 6,409,403.33/3,992.17
  6. Step 6: Final answer
    x = 1,605.49

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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.