Home / 3,930.11-5,888.22-2,077.12

Finding the Fourth Proportional to 3,930.11, 5,888.22 and 2,077.12

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Solution

The fourth proportional to 3,930.11, 5,888.22 and 2,077.12 is: 3,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.11 : 5,888.22 = 2,077.12 : x
  2. Step 2: Convert to fraction form
    3,930.11/5,888.22 = 2,077.12/x
  3. Step 3: Cross multiply
    3,930.11x = 5,888.22 × 2,077.12
  4. Step 4: Simplify right side
    3,930.11x = 12,230,539.53
  5. Step 5: Solve for x
    x = 12,230,539.53/3,930.11
  6. Step 6: Final answer
    x = 3,112.01

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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.