Home / 3,719.15-5,579.00-1,253.16

Finding the Fourth Proportional to 3,719.15, 5,579.00 and 1,253.16

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Solution

The fourth proportional to 3,719.15, 5,579.00 and 1,253.16 is: 1,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.15 : 5,579.00 = 1,253.16 : x
  2. Step 2: Convert to fraction form
    3,719.15/5,579.00 = 1,253.16/x
  3. Step 3: Cross multiply
    3,719.15x = 5,579.00 × 1,253.16
  4. Step 4: Simplify right side
    3,719.15x = 6,991,373.37
  5. Step 5: Solve for x
    x = 6,991,373.37/3,719.15
  6. Step 6: Final answer
    x = 1,879.83

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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.