Home / 3,719.88-5,581.64-1,530.45

Finding the Fourth Proportional to 3,719.88, 5,581.64 and 1,530.45

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Solution

The fourth proportional to 3,719.88, 5,581.64 and 1,530.45 is: 2,296.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.88 : 5,581.64 = 1,530.45 : x
  2. Step 2: Convert to fraction form
    3,719.88/5,581.64 = 1,530.45/x
  3. Step 3: Cross multiply
    3,719.88x = 5,581.64 × 1,530.45
  4. Step 4: Simplify right side
    3,719.88x = 8,542,420.94
  5. Step 5: Solve for x
    x = 8,542,420.94/3,719.88
  6. Step 6: Final answer
    x = 2,296.42

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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.