Home / 2,450.25-3,676.19-988.61

Finding the Fourth Proportional to 2,450.25, 3,676.19 and 988.61

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Solution

The fourth proportional to 2,450.25, 3,676.19 and 988.61 is: 1,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.25 : 3,676.19 = 988.61 : x
  2. Step 2: Convert to fraction form
    2,450.25/3,676.19 = 988.61/x
  3. Step 3: Cross multiply
    2,450.25x = 3,676.19 × 988.61
  4. Step 4: Simplify right side
    2,450.25x = 3,634,294.87
  5. Step 5: Solve for x
    x = 3,634,294.87/2,450.25
  6. Step 6: Final answer
    x = 1,483.23

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1.5x scale

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.