Home / 3,262.65-4,890.07-1,876.64

Finding the Fourth Proportional to 3,262.65, 4,890.07 and 1,876.64

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Solution

The fourth proportional to 3,262.65, 4,890.07 and 1,876.64 is: 2,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.65 : 4,890.07 = 1,876.64 : x
  2. Step 2: Convert to fraction form
    3,262.65/4,890.07 = 1,876.64/x
  3. Step 3: Cross multiply
    3,262.65x = 4,890.07 × 1,876.64
  4. Step 4: Simplify right side
    3,262.65x = 9,176,878.86
  5. Step 5: Solve for x
    x = 9,176,878.86/3,262.65
  6. Step 6: Final answer
    x = 2,812.71

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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.