Home / 3,657.09-5,044.71-2,164.77

Finding the Fourth Proportional to 3,657.09, 5,044.71 and 2,164.77

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Solution

The fourth proportional to 3,657.09, 5,044.71 and 2,164.77 is: 2,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.09 : 5,044.71 = 2,164.77 : x
  2. Step 2: Convert to fraction form
    3,657.09/5,044.71 = 2,164.77/x
  3. Step 3: Cross multiply
    3,657.09x = 5,044.71 × 2,164.77
  4. Step 4: Simplify right side
    3,657.09x = 10,920,636.87
  5. Step 5: Solve for x
    x = 10,920,636.87/3,657.09
  6. Step 6: Final answer
    x = 2,986.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.