Home / 3,192.30-4,790.25-1,345.14

Finding the Fourth Proportional to 3,192.30, 4,790.25 and 1,345.14

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Solution

The fourth proportional to 3,192.30, 4,790.25 and 1,345.14 is: 2,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.30 : 4,790.25 = 1,345.14 : x
  2. Step 2: Convert to fraction form
    3,192.30/4,790.25 = 1,345.14/x
  3. Step 3: Cross multiply
    3,192.30x = 4,790.25 × 1,345.14
  4. Step 4: Simplify right side
    3,192.30x = 6,443,556.89
  5. Step 5: Solve for x
    x = 6,443,556.89/3,192.30
  6. Step 6: Final answer
    x = 2,018.47

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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.