Home / 2,207.09-3,023.72-2,124

Finding the Fourth Proportional to 2,207.09, 3,023.72 and 2,124

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Solution

The fourth proportional to 2,207.09, 3,023.72 and 2,124 is: 2,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.09 : 3,023.72 = 2,124 : x
  2. Step 2: Convert to fraction form
    2,207.09/3,023.72 = 2,124/x
  3. Step 3: Cross multiply
    2,207.09x = 3,023.72 × 2,124
  4. Step 4: Simplify right side
    2,207.09x = 6,422,370.66
  5. Step 5: Solve for x
    x = 6,422,370.66/2,207.09
  6. Step 6: Final answer
    x = 2,909.89

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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.