Home / 2,966.30-4,449.45-2,785.87

Finding the Fourth Proportional to 2,966.30, 4,449.45 and 2,785.87

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Solution

The fourth proportional to 2,966.30, 4,449.45 and 2,785.87 is: 4,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.30 : 4,449.45 = 2,785.87 : x
  2. Step 2: Convert to fraction form
    2,966.30/4,449.45 = 2,785.87/x
  3. Step 3: Cross multiply
    2,966.30x = 4,449.45 × 2,785.87
  4. Step 4: Simplify right side
    2,966.30x = 12,395,589.27
  5. Step 5: Solve for x
    x = 12,395,589.27/2,966.30
  6. Step 6: Final answer
    x = 4,178.81

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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.