Home / 1,489.09-2,234.98-1,002.48

Finding the Fourth Proportional to 1,489.09, 2,234.98 and 1,002.48

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Solution

The fourth proportional to 1,489.09, 2,234.98 and 1,002.48 is: 1,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.09 : 2,234.98 = 1,002.48 : x
  2. Step 2: Convert to fraction form
    1,489.09/2,234.98 = 1,002.48/x
  3. Step 3: Cross multiply
    1,489.09x = 2,234.98 × 1,002.48
  4. Step 4: Simplify right side
    1,489.09x = 2,240,522.75
  5. Step 5: Solve for x
    x = 2,240,522.75/1,489.09
  6. Step 6: Final answer
    x = 1,504.63

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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.