Home / 1,092.04-1,639.68-1,039.18

Finding the Fourth Proportional to 1,092.04, 1,639.68 and 1,039.18

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Solution

The fourth proportional to 1,092.04, 1,639.68 and 1,039.18 is: 1,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.04 : 1,639.68 = 1,039.18 : x
  2. Step 2: Convert to fraction form
    1,092.04/1,639.68 = 1,039.18/x
  3. Step 3: Cross multiply
    1,092.04x = 1,639.68 × 1,039.18
  4. Step 4: Simplify right side
    1,092.04x = 1,703,922.66
  5. Step 5: Solve for x
    x = 1,703,922.66/1,092.04
  6. Step 6: Final answer
    x = 1,560.31

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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.