Home / 3,402.14-5,103.23-936.90

Finding the Fourth Proportional to 3,402.14, 5,103.23 and 936.90

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Solution

The fourth proportional to 3,402.14, 5,103.23 and 936.90 is: 1,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.14 : 5,103.23 = 936.90 : x
  2. Step 2: Convert to fraction form
    3,402.14/5,103.23 = 936.90/x
  3. Step 3: Cross multiply
    3,402.14x = 5,103.23 × 936.90
  4. Step 4: Simplify right side
    3,402.14x = 4,781,211.50
  5. Step 5: Solve for x
    x = 4,781,211.50/3,402.14
  6. Step 6: Final answer
    x = 1,405.36

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1.5x scale

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.