Home / 3,539.34-5,310.66-1,809.18

Finding the Fourth Proportional to 3,539.34, 5,310.66 and 1,809.18

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Solution

The fourth proportional to 3,539.34, 5,310.66 and 1,809.18 is: 2,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.34 : 5,310.66 = 1,809.18 : x
  2. Step 2: Convert to fraction form
    3,539.34/5,310.66 = 1,809.18/x
  3. Step 3: Cross multiply
    3,539.34x = 5,310.66 × 1,809.18
  4. Step 4: Simplify right side
    3,539.34x = 9,607,939.86
  5. Step 5: Solve for x
    x = 9,607,939.86/3,539.34
  6. Step 6: Final answer
    x = 2,714.61

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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.