Home / 3,992.23-5,988.21-1,070.38

Finding the Fourth Proportional to 3,992.23, 5,988.21 and 1,070.38

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Solution

The fourth proportional to 3,992.23, 5,988.21 and 1,070.38 is: 1,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.23 : 5,988.21 = 1,070.38 : x
  2. Step 2: Convert to fraction form
    3,992.23/5,988.21 = 1,070.38/x
  3. Step 3: Cross multiply
    3,992.23x = 5,988.21 × 1,070.38
  4. Step 4: Simplify right side
    3,992.23x = 6,409,660.22
  5. Step 5: Solve for x
    x = 6,409,660.22/3,992.23
  6. Step 6: Final answer
    x = 1,605.53

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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.