Home / 3,742.12-5,610.14-1,400.81

Finding the Fourth Proportional to 3,742.12, 5,610.14 and 1,400.81

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Solution

The fourth proportional to 3,742.12, 5,610.14 and 1,400.81 is: 2,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.12 : 5,610.14 = 1,400.81 : x
  2. Step 2: Convert to fraction form
    3,742.12/5,610.14 = 1,400.81/x
  3. Step 3: Cross multiply
    3,742.12x = 5,610.14 × 1,400.81
  4. Step 4: Simplify right side
    3,742.12x = 7,858,747.23
  5. Step 5: Solve for x
    x = 7,858,747.23/3,742.12
  6. Step 6: Final answer
    x = 2,100.08

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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.