Home / 1,126.58-1,692.90-1,052.73

Finding the Fourth Proportional to 1,126.58, 1,692.90 and 1,052.73

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Solution

The fourth proportional to 1,126.58, 1,692.90 and 1,052.73 is: 1,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.58 : 1,692.90 = 1,052.73 : x
  2. Step 2: Convert to fraction form
    1,126.58/1,692.90 = 1,052.73/x
  3. Step 3: Cross multiply
    1,126.58x = 1,692.90 × 1,052.73
  4. Step 4: Simplify right side
    1,126.58x = 1,782,166.62
  5. Step 5: Solve for x
    x = 1,782,166.62/1,126.58
  6. Step 6: Final answer
    x = 1,581.93

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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.