Home / 1,108.15-1,529.26-610.83

Finding the Fourth Proportional to 1,108.15, 1,529.26 and 610.83

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Solution

The fourth proportional to 1,108.15, 1,529.26 and 610.83 is: 842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.15 : 1,529.26 = 610.83 : x
  2. Step 2: Convert to fraction form
    1,108.15/1,529.26 = 610.83/x
  3. Step 3: Cross multiply
    1,108.15x = 1,529.26 × 610.83
  4. Step 4: Simplify right side
    1,108.15x = 934,117.89
  5. Step 5: Solve for x
    x = 934,117.89/1,108.15
  6. Step 6: Final answer
    x = 842.95

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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.