Home / 1,166.21-1,749.27-396.71

Finding the Fourth Proportional to 1,166.21, 1,749.27 and 396.71

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Solution

The fourth proportional to 1,166.21, 1,749.27 and 396.71 is: 595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.21 : 1,749.27 = 396.71 : x
  2. Step 2: Convert to fraction form
    1,166.21/1,749.27 = 396.71/x
  3. Step 3: Cross multiply
    1,166.21x = 1,749.27 × 396.71
  4. Step 4: Simplify right side
    1,166.21x = 693,952.90
  5. Step 5: Solve for x
    x = 693,952.90/1,166.21
  6. Step 6: Final answer
    x = 595.05

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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.