Home / 3,456.42-5,186.81-1,814.14

Finding the Fourth Proportional to 3,456.42, 5,186.81 and 1,814.14

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Solution

The fourth proportional to 3,456.42, 5,186.81 and 1,814.14 is: 2,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.42 : 5,186.81 = 1,814.14 : x
  2. Step 2: Convert to fraction form
    3,456.42/5,186.81 = 1,814.14/x
  3. Step 3: Cross multiply
    3,456.42x = 5,186.81 × 1,814.14
  4. Step 4: Simplify right side
    3,456.42x = 9,409,599.49
  5. Step 5: Solve for x
    x = 9,409,599.49/3,456.42
  6. Step 6: Final answer
    x = 2,722.35

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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.