Home / 3,145.19-4,719.29-2,226.65

Finding the Fourth Proportional to 3,145.19, 4,719.29 and 2,226.65

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Solution

The fourth proportional to 3,145.19, 4,719.29 and 2,226.65 is: 3,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.19 : 4,719.29 = 2,226.65 : x
  2. Step 2: Convert to fraction form
    3,145.19/4,719.29 = 2,226.65/x
  3. Step 3: Cross multiply
    3,145.19x = 4,719.29 × 2,226.65
  4. Step 4: Simplify right side
    3,145.19x = 10,508,172.35
  5. Step 5: Solve for x
    x = 10,508,172.35/3,145.19
  6. Step 6: Final answer
    x = 3,341.03

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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.