Home / 3,402.08-5,103.13-936.93

Finding the Fourth Proportional to 3,402.08, 5,103.13 and 936.93

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Solution

The fourth proportional to 3,402.08, 5,103.13 and 936.93 is: 1,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.08 : 5,103.13 = 936.93 : x
  2. Step 2: Convert to fraction form
    3,402.08/5,103.13 = 936.93/x
  3. Step 3: Cross multiply
    3,402.08x = 5,103.13 × 936.93
  4. Step 4: Simplify right side
    3,402.08x = 4,781,275.59
  5. Step 5: Solve for x
    x = 4,781,275.59/3,402.08
  6. Step 6: Final answer
    x = 1,405.40

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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.