Home / 1,092.90-1,639.68-1,027.63

Finding the Fourth Proportional to 1,092.90, 1,639.68 and 1,027.63

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Solution

The fourth proportional to 1,092.90, 1,639.68 and 1,027.63 is: 1,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.90 : 1,639.68 = 1,027.63 : x
  2. Step 2: Convert to fraction form
    1,092.90/1,639.68 = 1,027.63/x
  3. Step 3: Cross multiply
    1,092.90x = 1,639.68 × 1,027.63
  4. Step 4: Simplify right side
    1,092.90x = 1,684,974.67
  5. Step 5: Solve for x
    x = 1,684,974.67/1,092.90
  6. Step 6: Final answer
    x = 1,541.75

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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.