Home / 1,366.54-2,046.72-1,120.51

Finding the Fourth Proportional to 1,366.54, 2,046.72 and 1,120.51

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Solution

The fourth proportional to 1,366.54, 2,046.72 and 1,120.51 is: 1,678.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.54 : 2,046.72 = 1,120.51 : x
  2. Step 2: Convert to fraction form
    1,366.54/2,046.72 = 1,120.51/x
  3. Step 3: Cross multiply
    1,366.54x = 2,046.72 × 1,120.51
  4. Step 4: Simplify right side
    1,366.54x = 2,293,370.23
  5. Step 5: Solve for x
    x = 2,293,370.23/1,366.54
  6. Step 6: Final answer
    x = 1,678.23

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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.