Home / 3,720.43-5,132.66-2,462.09

Finding the Fourth Proportional to 3,720.43, 5,132.66 and 2,462.09

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Solution

The fourth proportional to 3,720.43, 5,132.66 and 2,462.09 is: 3,396.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.43 : 5,132.66 = 2,462.09 : x
  2. Step 2: Convert to fraction form
    3,720.43/5,132.66 = 2,462.09/x
  3. Step 3: Cross multiply
    3,720.43x = 5,132.66 × 2,462.09
  4. Step 4: Simplify right side
    3,720.43x = 12,637,071.38
  5. Step 5: Solve for x
    x = 12,637,071.38/3,720.43
  6. Step 6: Final answer
    x = 3,396.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.