Home / 3,719.54-5,579.01-1,086.84

Finding the Fourth Proportional to 3,719.54, 5,579.01 and 1,086.84

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Solution

The fourth proportional to 3,719.54, 5,579.01 and 1,086.84 is: 1,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.54 : 5,579.01 = 1,086.84 : x
  2. Step 2: Convert to fraction form
    3,719.54/5,579.01 = 1,086.84/x
  3. Step 3: Cross multiply
    3,719.54x = 5,579.01 × 1,086.84
  4. Step 4: Simplify right side
    3,719.54x = 6,063,491.23
  5. Step 5: Solve for x
    x = 6,063,491.23/3,719.54
  6. Step 6: Final answer
    x = 1,630.17

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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.