Home / 3,706.97-5,115.77-2,135.06

Finding the Fourth Proportional to 3,706.97, 5,115.77 and 2,135.06

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Solution

The fourth proportional to 3,706.97, 5,115.77 and 2,135.06 is: 2,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.97 : 5,115.77 = 2,135.06 : x
  2. Step 2: Convert to fraction form
    3,706.97/5,115.77 = 2,135.06/x
  3. Step 3: Cross multiply
    3,706.97x = 5,115.77 × 2,135.06
  4. Step 4: Simplify right side
    3,706.97x = 10,922,486.02
  5. Step 5: Solve for x
    x = 10,922,486.02/3,706.97
  6. Step 6: Final answer
    x = 2,946.47

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1.5x scale

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.