Home / 3,462.18-5,189.76-1,381.62

Finding the Fourth Proportional to 3,462.18, 5,189.76 and 1,381.62

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Solution

The fourth proportional to 3,462.18, 5,189.76 and 1,381.62 is: 2,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.18 : 5,189.76 = 1,381.62 : x
  2. Step 2: Convert to fraction form
    3,462.18/5,189.76 = 1,381.62/x
  3. Step 3: Cross multiply
    3,462.18x = 5,189.76 × 1,381.62
  4. Step 4: Simplify right side
    3,462.18x = 7,170,276.21
  5. Step 5: Solve for x
    x = 7,170,276.21/3,462.18
  6. Step 6: Final answer
    x = 2,071.03

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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.