Home / 3,961.13-5,940.54-1,187.08

Finding the Fourth Proportional to 3,961.13, 5,940.54 and 1,187.08

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Solution

The fourth proportional to 3,961.13, 5,940.54 and 1,187.08 is: 1,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.13 : 5,940.54 = 1,187.08 : x
  2. Step 2: Convert to fraction form
    3,961.13/5,940.54 = 1,187.08/x
  3. Step 3: Cross multiply
    3,961.13x = 5,940.54 × 1,187.08
  4. Step 4: Simplify right side
    3,961.13x = 7,051,881.37
  5. Step 5: Solve for x
    x = 7,051,881.37/3,961.13
  6. Step 6: Final answer
    x = 1,780.27

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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.