Home / 1,225.37-1,837.92-359.77

Finding the Fourth Proportional to 1,225.37, 1,837.92 and 359.77

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Solution

The fourth proportional to 1,225.37, 1,837.92 and 359.77 is: 539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.37 : 1,837.92 = 359.77 : x
  2. Step 2: Convert to fraction form
    1,225.37/1,837.92 = 359.77/x
  3. Step 3: Cross multiply
    1,225.37x = 1,837.92 × 359.77
  4. Step 4: Simplify right side
    1,225.37x = 661,226.68
  5. Step 5: Solve for x
    x = 661,226.68/1,225.37
  6. Step 6: Final answer
    x = 539.61

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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.