Home / 3,215.17-4,822.79-1,365.13

Finding the Fourth Proportional to 3,215.17, 4,822.79 and 1,365.13

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Solution

The fourth proportional to 3,215.17, 4,822.79 and 1,365.13 is: 2,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.17 : 4,822.79 = 1,365.13 : x
  2. Step 2: Convert to fraction form
    3,215.17/4,822.79 = 1,365.13/x
  3. Step 3: Cross multiply
    3,215.17x = 4,822.79 × 1,365.13
  4. Step 4: Simplify right side
    3,215.17x = 6,583,735.31
  5. Step 5: Solve for x
    x = 6,583,735.31/3,215.17
  6. Step 6: Final answer
    x = 2,047.71

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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.