Home / 1,108.32-1,529.49-610.97

Finding the Fourth Proportional to 1,108.32, 1,529.49 and 610.97

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Solution

The fourth proportional to 1,108.32, 1,529.49 and 610.97 is: 843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.32 : 1,529.49 = 610.97 : x
  2. Step 2: Convert to fraction form
    1,108.32/1,529.49 = 610.97/x
  3. Step 3: Cross multiply
    1,108.32x = 1,529.49 × 610.97
  4. Step 4: Simplify right side
    1,108.32x = 934,464.86
  5. Step 5: Solve for x
    x = 934,464.86/1,108.32
  6. Step 6: Final answer
    x = 843.14

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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.