Home / 3,741.50-5,160.60-3,178.06

Finding the Fourth Proportional to 3,741.50, 5,160.60 and 3,178.06

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Solution

The fourth proportional to 3,741.50, 5,160.60 and 3,178.06 is: 4,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.50 : 5,160.60 = 3,178.06 : x
  2. Step 2: Convert to fraction form
    3,741.50/5,160.60 = 3,178.06/x
  3. Step 3: Cross multiply
    3,741.50x = 5,160.60 × 3,178.06
  4. Step 4: Simplify right side
    3,741.50x = 16,400,696.44
  5. Step 5: Solve for x
    x = 16,400,696.44/3,741.50
  6. Step 6: Final answer
    x = 4,383.45

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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.