Home / 1,469.90-2,198.30-1,306.41

Finding the Fourth Proportional to 1,469.90, 2,198.30 and 1,306.41

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Solution

The fourth proportional to 1,469.90, 2,198.30 and 1,306.41 is: 1,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.90 : 2,198.30 = 1,306.41 : x
  2. Step 2: Convert to fraction form
    1,469.90/2,198.30 = 1,306.41/x
  3. Step 3: Cross multiply
    1,469.90x = 2,198.30 × 1,306.41
  4. Step 4: Simplify right side
    1,469.90x = 2,871,874.57
  5. Step 5: Solve for x
    x = 2,871,874.57/1,469.90
  6. Step 6: Final answer
    x = 1,953.80

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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.