Home / 3,913.01-5,400.39-2,234.65

Finding the Fourth Proportional to 3,913.01, 5,400.39 and 2,234.65

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Solution

The fourth proportional to 3,913.01, 5,400.39 and 2,234.65 is: 3,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.01 : 5,400.39 = 2,234.65 : x
  2. Step 2: Convert to fraction form
    3,913.01/5,400.39 = 2,234.65/x
  3. Step 3: Cross multiply
    3,913.01x = 5,400.39 × 2,234.65
  4. Step 4: Simplify right side
    3,913.01x = 12,067,981.51
  5. Step 5: Solve for x
    x = 12,067,981.51/3,913.01
  6. Step 6: Final answer
    x = 3,084.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.