Home / 2,239.91-3,342.93-2,181.59

Finding the Fourth Proportional to 2,239.91, 3,342.93 and 2,181.59

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Solution

The fourth proportional to 2,239.91, 3,342.93 and 2,181.59 is: 3,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.91 : 3,342.93 = 2,181.59 : x
  2. Step 2: Convert to fraction form
    2,239.91/3,342.93 = 2,181.59/x
  3. Step 3: Cross multiply
    2,239.91x = 3,342.93 × 2,181.59
  4. Step 4: Simplify right side
    2,239.91x = 7,292,890.30
  5. Step 5: Solve for x
    x = 7,292,890.30/2,239.91
  6. Step 6: Final answer
    x = 3,255.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.