Home / 1,474.22-2,021.24-1,447.90

Finding the Fourth Proportional to 1,474.22, 2,021.24 and 1,447.90

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Solution

The fourth proportional to 1,474.22, 2,021.24 and 1,447.90 is: 1,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.22 : 2,021.24 = 1,447.90 : x
  2. Step 2: Convert to fraction form
    1,474.22/2,021.24 = 1,447.90/x
  3. Step 3: Cross multiply
    1,474.22x = 2,021.24 × 1,447.90
  4. Step 4: Simplify right side
    1,474.22x = 2,926,551.96
  5. Step 5: Solve for x
    x = 2,926,551.96/1,474.22
  6. Step 6: Final answer
    x = 1,985.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.