Home / 3,955.86-5,937.39-2,108.55

Finding the Fourth Proportional to 3,955.86, 5,937.39 and 2,108.55

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Solution

The fourth proportional to 3,955.86, 5,937.39 and 2,108.55 is: 3,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.86 : 5,937.39 = 2,108.55 : x
  2. Step 2: Convert to fraction form
    3,955.86/5,937.39 = 2,108.55/x
  3. Step 3: Cross multiply
    3,955.86x = 5,937.39 × 2,108.55
  4. Step 4: Simplify right side
    3,955.86x = 12,519,283.68
  5. Step 5: Solve for x
    x = 12,519,283.68/3,955.86
  6. Step 6: Final answer
    x = 3,164.74

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1.5x scale

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.