Home / 3,165.48-4,749.26-1,521.81

Finding the Fourth Proportional to 3,165.48, 4,749.26 and 1,521.81

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Solution

The fourth proportional to 3,165.48, 4,749.26 and 1,521.81 is: 2,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.48 : 4,749.26 = 1,521.81 : x
  2. Step 2: Convert to fraction form
    3,165.48/4,749.26 = 1,521.81/x
  3. Step 3: Cross multiply
    3,165.48x = 4,749.26 × 1,521.81
  4. Step 4: Simplify right side
    3,165.48x = 7,227,481.39
  5. Step 5: Solve for x
    x = 7,227,481.39/3,165.48
  6. Step 6: Final answer
    x = 2,283.22

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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.