Home / 1,790.23-2,469.41-1,126.53

Finding the Fourth Proportional to 1,790.23, 2,469.41 and 1,126.53

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Solution

The fourth proportional to 1,790.23, 2,469.41 and 1,126.53 is: 1,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.23 : 2,469.41 = 1,126.53 : x
  2. Step 2: Convert to fraction form
    1,790.23/2,469.41 = 1,126.53/x
  3. Step 3: Cross multiply
    1,790.23x = 2,469.41 × 1,126.53
  4. Step 4: Simplify right side
    1,790.23x = 2,781,864.45
  5. Step 5: Solve for x
    x = 2,781,864.45/1,790.23
  6. Step 6: Final answer
    x = 1,553.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.