Home / 1,108.32-1,529.40-610.96

Finding the Fourth Proportional to 1,108.32, 1,529.40 and 610.96

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Solution

The fourth proportional to 1,108.32, 1,529.40 and 610.96 is: 843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.32 : 1,529.40 = 610.96 : x
  2. Step 2: Convert to fraction form
    1,108.32/1,529.40 = 610.96/x
  3. Step 3: Cross multiply
    1,108.32x = 1,529.40 × 610.96
  4. Step 4: Simplify right side
    1,108.32x = 934,402.22
  5. Step 5: Solve for x
    x = 934,402.22/1,108.32
  6. Step 6: Final answer
    x = 843.08

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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.