Home / 1,911.03-2,862.50-1,443.66

Finding the Fourth Proportional to 1,911.03, 2,862.50 and 1,443.66

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Solution

The fourth proportional to 1,911.03, 2,862.50 and 1,443.66 is: 2,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.03 : 2,862.50 = 1,443.66 : x
  2. Step 2: Convert to fraction form
    1,911.03/2,862.50 = 1,443.66/x
  3. Step 3: Cross multiply
    1,911.03x = 2,862.50 × 1,443.66
  4. Step 4: Simplify right side
    1,911.03x = 4,132,469.53
  5. Step 5: Solve for x
    x = 4,132,469.53/1,911.03
  6. Step 6: Final answer
    x = 2,162.43

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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.