Home / 3,162.16-4,738.29-1,929.25

Finding the Fourth Proportional to 3,162.16, 4,738.29 and 1,929.25

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Solution

The fourth proportional to 3,162.16, 4,738.29 and 1,929.25 is: 2,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.16 : 4,738.29 = 1,929.25 : x
  2. Step 2: Convert to fraction form
    3,162.16/4,738.29 = 1,929.25/x
  3. Step 3: Cross multiply
    3,162.16x = 4,738.29 × 1,929.25
  4. Step 4: Simplify right side
    3,162.16x = 9,141,345.98
  5. Step 5: Solve for x
    x = 9,141,345.98/3,162.16
  6. Step 6: Final answer
    x = 2,890.85

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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.