Home / 1,450.17-2,172.36-1,081.11

Finding the Fourth Proportional to 1,450.17, 2,172.36 and 1,081.11

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Solution

The fourth proportional to 1,450.17, 2,172.36 and 1,081.11 is: 1,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.17 : 2,172.36 = 1,081.11 : x
  2. Step 2: Convert to fraction form
    1,450.17/2,172.36 = 1,081.11/x
  3. Step 3: Cross multiply
    1,450.17x = 2,172.36 × 1,081.11
  4. Step 4: Simplify right side
    1,450.17x = 2,348,572.32
  5. Step 5: Solve for x
    x = 2,348,572.32/1,450.17
  6. Step 6: Final answer
    x = 1,619.52

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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.