Home / 1,356.17-2,033.04-490.28

Finding the Fourth Proportional to 1,356.17, 2,033.04 and 490.28

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Solution

The fourth proportional to 1,356.17, 2,033.04 and 490.28 is: 734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.17 : 2,033.04 = 490.28 : x
  2. Step 2: Convert to fraction form
    1,356.17/2,033.04 = 490.28/x
  3. Step 3: Cross multiply
    1,356.17x = 2,033.04 × 490.28
  4. Step 4: Simplify right side
    1,356.17x = 996,758.85
  5. Step 5: Solve for x
    x = 996,758.85/1,356.17
  6. Step 6: Final answer
    x = 734.98

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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.