Home / 3,462.19-5,190.08-1,381.69

Finding the Fourth Proportional to 3,462.19, 5,190.08 and 1,381.69

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Solution

The fourth proportional to 3,462.19, 5,190.08 and 1,381.69 is: 2,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.19 : 5,190.08 = 1,381.69 : x
  2. Step 2: Convert to fraction form
    3,462.19/5,190.08 = 1,381.69/x
  3. Step 3: Cross multiply
    3,462.19x = 5,190.08 × 1,381.69
  4. Step 4: Simplify right side
    3,462.19x = 7,171,072.11
  5. Step 5: Solve for x
    x = 7,171,072.11/3,462.19
  6. Step 6: Final answer
    x = 2,071.25

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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.