Home / 1,166.87-1,749.56-436.11

Finding the Fourth Proportional to 1,166.87, 1,749.56 and 436.11

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Solution

The fourth proportional to 1,166.87, 1,749.56 and 436.11 is: 653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.87 : 1,749.56 = 436.11 : x
  2. Step 2: Convert to fraction form
    1,166.87/1,749.56 = 436.11/x
  3. Step 3: Cross multiply
    1,166.87x = 1,749.56 × 436.11
  4. Step 4: Simplify right side
    1,166.87x = 762,998.43
  5. Step 5: Solve for x
    x = 762,998.43/1,166.87
  6. Step 6: Final answer
    x = 653.89

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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.