Home / 2,238.21-3,090.12-1,441.93

Finding the Fourth Proportional to 2,238.21, 3,090.12 and 1,441.93

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Solution

The fourth proportional to 2,238.21, 3,090.12 and 1,441.93 is: 1,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.21 : 3,090.12 = 1,441.93 : x
  2. Step 2: Convert to fraction form
    2,238.21/3,090.12 = 1,441.93/x
  3. Step 3: Cross multiply
    2,238.21x = 3,090.12 × 1,441.93
  4. Step 4: Simplify right side
    2,238.21x = 4,455,732.87
  5. Step 5: Solve for x
    x = 4,455,732.87/2,238.21
  6. Step 6: Final answer
    x = 1,990.76

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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.