Home / 3,162.65-4,721.79-2,851.61

Finding the Fourth Proportional to 3,162.65, 4,721.79 and 2,851.61

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Solution

The fourth proportional to 3,162.65, 4,721.79 and 2,851.61 is: 4,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.65 : 4,721.79 = 2,851.61 : x
  2. Step 2: Convert to fraction form
    3,162.65/4,721.79 = 2,851.61/x
  3. Step 3: Cross multiply
    3,162.65x = 4,721.79 × 2,851.61
  4. Step 4: Simplify right side
    3,162.65x = 13,464,690.67
  5. Step 5: Solve for x
    x = 13,464,690.67/3,162.65
  6. Step 6: Final answer
    x = 4,257.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.