Home / 3,213.45-4,822.47-1,365.07

Finding the Fourth Proportional to 3,213.45, 4,822.47 and 1,365.07

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Solution

The fourth proportional to 3,213.45, 4,822.47 and 1,365.07 is: 2,048.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.45 : 4,822.47 = 1,365.07 : x
  2. Step 2: Convert to fraction form
    3,213.45/4,822.47 = 1,365.07/x
  3. Step 3: Cross multiply
    3,213.45x = 4,822.47 × 1,365.07
  4. Step 4: Simplify right side
    3,213.45x = 6,583,009.12
  5. Step 5: Solve for x
    x = 6,583,009.12/3,213.45
  6. Step 6: Final answer
    x = 2,048.58

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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.