Home / 3,665.77-5,497.50-1,200.19

Finding the Fourth Proportional to 3,665.77, 5,497.50 and 1,200.19

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Solution

The fourth proportional to 3,665.77, 5,497.50 and 1,200.19 is: 1,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.77 : 5,497.50 = 1,200.19 : x
  2. Step 2: Convert to fraction form
    3,665.77/5,497.50 = 1,200.19/x
  3. Step 3: Cross multiply
    3,665.77x = 5,497.50 × 1,200.19
  4. Step 4: Simplify right side
    3,665.77x = 6,598,044.53
  5. Step 5: Solve for x
    x = 6,598,044.53/3,665.77
  6. Step 6: Final answer
    x = 1,799.91

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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.