Home / 1,081.86-1,623.75-562.22

Finding the Fourth Proportional to 1,081.86, 1,623.75 and 562.22

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Solution

The fourth proportional to 1,081.86, 1,623.75 and 562.22 is: 843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.86 : 1,623.75 = 562.22 : x
  2. Step 2: Convert to fraction form
    1,081.86/1,623.75 = 562.22/x
  3. Step 3: Cross multiply
    1,081.86x = 1,623.75 × 562.22
  4. Step 4: Simplify right side
    1,081.86x = 912,914.46
  5. Step 5: Solve for x
    x = 912,914.46/1,081.86
  6. Step 6: Final answer
    x = 843.83

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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.