Home / 2,992.69-4,132.32-2,677.39

Finding the Fourth Proportional to 2,992.69, 4,132.32 and 2,677.39

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Solution

The fourth proportional to 2,992.69, 4,132.32 and 2,677.39 is: 3,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.69 : 4,132.32 = 2,677.39 : x
  2. Step 2: Convert to fraction form
    2,992.69/4,132.32 = 2,677.39/x
  3. Step 3: Cross multiply
    2,992.69x = 4,132.32 × 2,677.39
  4. Step 4: Simplify right side
    2,992.69x = 11,063,832.24
  5. Step 5: Solve for x
    x = 11,063,832.24/2,992.69
  6. Step 6: Final answer
    x = 3,696.95

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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.