Home / 1,356.54-2,033.40-490.26

Finding the Fourth Proportional to 1,356.54, 2,033.40 and 490.26

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Solution

The fourth proportional to 1,356.54, 2,033.40 and 490.26 is: 734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.54 : 2,033.40 = 490.26 : x
  2. Step 2: Convert to fraction form
    1,356.54/2,033.40 = 490.26/x
  3. Step 3: Cross multiply
    1,356.54x = 2,033.40 × 490.26
  4. Step 4: Simplify right side
    1,356.54x = 996,894.68
  5. Step 5: Solve for x
    x = 996,894.68/1,356.54
  6. Step 6: Final answer
    x = 734.88

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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.