Home / 3,992.42-5,511.51-3,094.18

Finding the Fourth Proportional to 3,992.42, 5,511.51 and 3,094.18

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Solution

The fourth proportional to 3,992.42, 5,511.51 and 3,094.18 is: 4,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.42 : 5,511.51 = 3,094.18 : x
  2. Step 2: Convert to fraction form
    3,992.42/5,511.51 = 3,094.18/x
  3. Step 3: Cross multiply
    3,992.42x = 5,511.51 × 3,094.18
  4. Step 4: Simplify right side
    3,992.42x = 17,053,590.23
  5. Step 5: Solve for x
    x = 17,053,590.23/3,992.42
  6. Step 6: Final answer
    x = 4,271.49

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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.