Home / 3,613.73-5,419.76-1,664.06

Finding the Fourth Proportional to 3,613.73, 5,419.76 and 1,664.06

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Solution

The fourth proportional to 3,613.73, 5,419.76 and 1,664.06 is: 2,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.73 : 5,419.76 = 1,664.06 : x
  2. Step 2: Convert to fraction form
    3,613.73/5,419.76 = 1,664.06/x
  3. Step 3: Cross multiply
    3,613.73x = 5,419.76 × 1,664.06
  4. Step 4: Simplify right side
    3,613.73x = 9,018,770.41
  5. Step 5: Solve for x
    x = 9,018,770.41/3,613.73
  6. Step 6: Final answer
    x = 2,495.70

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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.