Home / 3,215.40-4,822.26-1,365.56

Finding the Fourth Proportional to 3,215.40, 4,822.26 and 1,365.56

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Solution

The fourth proportional to 3,215.40, 4,822.26 and 1,365.56 is: 2,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.40 : 4,822.26 = 1,365.56 : x
  2. Step 2: Convert to fraction form
    3,215.40/4,822.26 = 1,365.56/x
  3. Step 3: Cross multiply
    3,215.40x = 4,822.26 × 1,365.56
  4. Step 4: Simplify right side
    3,215.40x = 6,585,054.43
  5. Step 5: Solve for x
    x = 6,585,054.43/3,215.40
  6. Step 6: Final answer
    x = 2,047.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.