Home / 3,150.65-4,719.69-2,161.04

Finding the Fourth Proportional to 3,150.65, 4,719.69 and 2,161.04

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Solution

The fourth proportional to 3,150.65, 4,719.69 and 2,161.04 is: 3,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.65 : 4,719.69 = 2,161.04 : x
  2. Step 2: Convert to fraction form
    3,150.65/4,719.69 = 2,161.04/x
  3. Step 3: Cross multiply
    3,150.65x = 4,719.69 × 2,161.04
  4. Step 4: Simplify right side
    3,150.65x = 10,199,415.28
  5. Step 5: Solve for x
    x = 10,199,415.28/3,150.65
  6. Step 6: Final answer
    x = 3,237.25

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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.