Home / 3,165.66-4,749.30-1,218.18

Finding the Fourth Proportional to 3,165.66, 4,749.30 and 1,218.18

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Solution

The fourth proportional to 3,165.66, 4,749.30 and 1,218.18 is: 1,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.66 : 4,749.30 = 1,218.18 : x
  2. Step 2: Convert to fraction form
    3,165.66/4,749.30 = 1,218.18/x
  3. Step 3: Cross multiply
    3,165.66x = 4,749.30 × 1,218.18
  4. Step 4: Simplify right side
    3,165.66x = 5,785,502.27
  5. Step 5: Solve for x
    x = 5,785,502.27/3,165.66
  6. Step 6: Final answer
    x = 1,827.58

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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.