Home / 3,164.82-4,748.76-1,218.36

Finding the Fourth Proportional to 3,164.82, 4,748.76 and 1,218.36

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Solution

The fourth proportional to 3,164.82, 4,748.76 and 1,218.36 is: 1,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.82 : 4,748.76 = 1,218.36 : x
  2. Step 2: Convert to fraction form
    3,164.82/4,748.76 = 1,218.36/x
  3. Step 3: Cross multiply
    3,164.82x = 4,748.76 × 1,218.36
  4. Step 4: Simplify right side
    3,164.82x = 5,785,699.23
  5. Step 5: Solve for x
    x = 5,785,699.23/3,164.82
  6. Step 6: Final answer
    x = 1,828.13

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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.