Home / 2,239.23-3,081.10-2,181.99

Finding the Fourth Proportional to 2,239.23, 3,081.10 and 2,181.99

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Solution

The fourth proportional to 2,239.23, 3,081.10 and 2,181.99 is: 3,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.23 : 3,081.10 = 2,181.99 : x
  2. Step 2: Convert to fraction form
    2,239.23/3,081.10 = 2,181.99/x
  3. Step 3: Cross multiply
    2,239.23x = 3,081.10 × 2,181.99
  4. Step 4: Simplify right side
    2,239.23x = 6,722,929.39
  5. Step 5: Solve for x
    x = 6,722,929.39/2,239.23
  6. Step 6: Final answer
    x = 3,002.34

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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.