Home / 3,440.22-4,749.75-2,394.78

Finding the Fourth Proportional to 3,440.22, 4,749.75 and 2,394.78

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Solution

The fourth proportional to 3,440.22, 4,749.75 and 2,394.78 is: 3,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.22 : 4,749.75 = 2,394.78 : x
  2. Step 2: Convert to fraction form
    3,440.22/4,749.75 = 2,394.78/x
  3. Step 3: Cross multiply
    3,440.22x = 4,749.75 × 2,394.78
  4. Step 4: Simplify right side
    3,440.22x = 11,374,606.31
  5. Step 5: Solve for x
    x = 11,374,606.31/3,440.22
  6. Step 6: Final answer
    x = 3,306.36

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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.