Home / 2,208.88-3,026.19-2,125.86

Finding the Fourth Proportional to 2,208.88, 3,026.19 and 2,125.86

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Solution

The fourth proportional to 2,208.88, 3,026.19 and 2,125.86 is: 2,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.88 : 3,026.19 = 2,125.86 : x
  2. Step 2: Convert to fraction form
    2,208.88/3,026.19 = 2,125.86/x
  3. Step 3: Cross multiply
    2,208.88x = 3,026.19 × 2,125.86
  4. Step 4: Simplify right side
    2,208.88x = 6,433,256.27
  5. Step 5: Solve for x
    x = 6,433,256.27/2,208.88
  6. Step 6: Final answer
    x = 2,912.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.