Home / 1,166.26-1,748.15-386.06

Finding the Fourth Proportional to 1,166.26, 1,748.15 and 386.06

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Solution

The fourth proportional to 1,166.26, 1,748.15 and 386.06 is: 578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.26 : 1,748.15 = 386.06 : x
  2. Step 2: Convert to fraction form
    1,166.26/1,748.15 = 386.06/x
  3. Step 3: Cross multiply
    1,166.26x = 1,748.15 × 386.06
  4. Step 4: Simplify right side
    1,166.26x = 674,882.05
  5. Step 5: Solve for x
    x = 674,882.05/1,166.26
  6. Step 6: Final answer
    x = 578.67

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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.