Home / 3,161.22-4,719.95-2,964.39

Finding the Fourth Proportional to 3,161.22, 4,719.95 and 2,964.39

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Solution

The fourth proportional to 3,161.22, 4,719.95 and 2,964.39 is: 4,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.22 : 4,719.95 = 2,964.39 : x
  2. Step 2: Convert to fraction form
    3,161.22/4,719.95 = 2,964.39/x
  3. Step 3: Cross multiply
    3,161.22x = 4,719.95 × 2,964.39
  4. Step 4: Simplify right side
    3,161.22x = 13,991,772.58
  5. Step 5: Solve for x
    x = 13,991,772.58/3,161.22
  6. Step 6: Final answer
    x = 4,426.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.