Home / 1,126.73-1,690.58-1,035.92

Finding the Fourth Proportional to 1,126.73, 1,690.58 and 1,035.92

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Solution

The fourth proportional to 1,126.73, 1,690.58 and 1,035.92 is: 1,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.73 : 1,690.58 = 1,035.92 : x
  2. Step 2: Convert to fraction form
    1,126.73/1,690.58 = 1,035.92/x
  3. Step 3: Cross multiply
    1,126.73x = 1,690.58 × 1,035.92
  4. Step 4: Simplify right side
    1,126.73x = 1,751,292.00
  5. Step 5: Solve for x
    x = 1,751,292.00/1,126.73
  6. Step 6: Final answer
    x = 1,554.31

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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.