Home / 1,166.46-1,749.29-386.27

Finding the Fourth Proportional to 1,166.46, 1,749.29 and 386.27

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Solution

The fourth proportional to 1,166.46, 1,749.29 and 386.27 is: 579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.46 : 1,749.29 = 386.27 : x
  2. Step 2: Convert to fraction form
    1,166.46/1,749.29 = 386.27/x
  3. Step 3: Cross multiply
    1,166.46x = 1,749.29 × 386.27
  4. Step 4: Simplify right side
    1,166.46x = 675,698.25
  5. Step 5: Solve for x
    x = 675,698.25/1,166.46
  6. Step 6: Final answer
    x = 579.27

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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.