Home / 2,966.28-4,449.41-1,212.11

Finding the Fourth Proportional to 2,966.28, 4,449.41 and 1,212.11

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Solution

The fourth proportional to 2,966.28, 4,449.41 and 1,212.11 is: 1,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.28 : 4,449.41 = 1,212.11 : x
  2. Step 2: Convert to fraction form
    2,966.28/4,449.41 = 1,212.11/x
  3. Step 3: Cross multiply
    2,966.28x = 4,449.41 × 1,212.11
  4. Step 4: Simplify right side
    2,966.28x = 5,393,152.11
  5. Step 5: Solve for x
    x = 5,393,152.11/2,966.28
  6. Step 6: Final answer
    x = 1,818.16

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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.