Home / 3,402.07-5,103.14-1,212.37

Finding the Fourth Proportional to 3,402.07, 5,103.14 and 1,212.37

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Solution

The fourth proportional to 3,402.07, 5,103.14 and 1,212.37 is: 1,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.07 : 5,103.14 = 1,212.37 : x
  2. Step 2: Convert to fraction form
    3,402.07/5,103.14 = 1,212.37/x
  3. Step 3: Cross multiply
    3,402.07x = 5,103.14 × 1,212.37
  4. Step 4: Simplify right side
    3,402.07x = 6,186,875.02
  5. Step 5: Solve for x
    x = 6,186,875.02/3,402.07
  6. Step 6: Final answer
    x = 1,818.56

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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.