Home / 1,108.22-1,524.77-1,080.87

Finding the Fourth Proportional to 1,108.22, 1,524.77 and 1,080.87

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Solution

The fourth proportional to 1,108.22, 1,524.77 and 1,080.87 is: 1,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.22 : 1,524.77 = 1,080.87 : x
  2. Step 2: Convert to fraction form
    1,108.22/1,524.77 = 1,080.87/x
  3. Step 3: Cross multiply
    1,108.22x = 1,524.77 × 1,080.87
  4. Step 4: Simplify right side
    1,108.22x = 1,648,072.75
  5. Step 5: Solve for x
    x = 1,648,072.75/1,108.22
  6. Step 6: Final answer
    x = 1,487.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.