Home / 1,489.22-2,234.67-1,477.46

Finding the Fourth Proportional to 1,489.22, 2,234.67 and 1,477.46

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Solution

The fourth proportional to 1,489.22, 2,234.67 and 1,477.46 is: 2,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.22 : 2,234.67 = 1,477.46 : x
  2. Step 2: Convert to fraction form
    1,489.22/2,234.67 = 1,477.46/x
  3. Step 3: Cross multiply
    1,489.22x = 2,234.67 × 1,477.46
  4. Step 4: Simplify right side
    1,489.22x = 3,301,635.54
  5. Step 5: Solve for x
    x = 3,301,635.54/1,489.22
  6. Step 6: Final answer
    x = 2,217.02

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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.