Home / 3,719.94-5,579.91-1,666.50

Finding the Fourth Proportional to 3,719.94, 5,579.91 and 1,666.50

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Solution

The fourth proportional to 3,719.94, 5,579.91 and 1,666.50 is: 2,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.94 : 5,579.91 = 1,666.50 : x
  2. Step 2: Convert to fraction form
    3,719.94/5,579.91 = 1,666.50/x
  3. Step 3: Cross multiply
    3,719.94x = 5,579.91 × 1,666.50
  4. Step 4: Simplify right side
    3,719.94x = 9,298,920.02
  5. Step 5: Solve for x
    x = 9,298,920.02/3,719.94
  6. Step 6: Final answer
    x = 2,499.75

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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.