Home / 3,145.16-4,717.67-1,295.06

Finding the Fourth Proportional to 3,145.16, 4,717.67 and 1,295.06

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Solution

The fourth proportional to 3,145.16, 4,717.67 and 1,295.06 is: 1,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.16 : 4,717.67 = 1,295.06 : x
  2. Step 2: Convert to fraction form
    3,145.16/4,717.67 = 1,295.06/x
  3. Step 3: Cross multiply
    3,145.16x = 4,717.67 × 1,295.06
  4. Step 4: Simplify right side
    3,145.16x = 6,109,635.65
  5. Step 5: Solve for x
    x = 6,109,635.65/3,145.16
  6. Step 6: Final answer
    x = 1,942.55

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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.