Home / 3,212.67-4,430.79-2,548.47

Finding the Fourth Proportional to 3,212.67, 4,430.79 and 2,548.47

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Solution

The fourth proportional to 3,212.67, 4,430.79 and 2,548.47 is: 3,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.67 : 4,430.79 = 2,548.47 : x
  2. Step 2: Convert to fraction form
    3,212.67/4,430.79 = 2,548.47/x
  3. Step 3: Cross multiply
    3,212.67x = 4,430.79 × 2,548.47
  4. Step 4: Simplify right side
    3,212.67x = 11,291,735.39
  5. Step 5: Solve for x
    x = 11,291,735.39/3,212.67
  6. Step 6: Final answer
    x = 3,514.75

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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.