Home / 1,356.03-2,033.15-490.23

Finding the Fourth Proportional to 1,356.03, 2,033.15 and 490.23

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Solution

The fourth proportional to 1,356.03, 2,033.15 and 490.23 is: 735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.03 : 2,033.15 = 490.23 : x
  2. Step 2: Convert to fraction form
    1,356.03/2,033.15 = 490.23/x
  3. Step 3: Cross multiply
    1,356.03x = 2,033.15 × 490.23
  4. Step 4: Simplify right side
    1,356.03x = 996,708.67
  5. Step 5: Solve for x
    x = 996,708.67/1,356.03
  6. Step 6: Final answer
    x = 735.02

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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.