Home / 3,065.13-4,226.63-2,815.44

Finding the Fourth Proportional to 3,065.13, 4,226.63 and 2,815.44

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Solution

The fourth proportional to 3,065.13, 4,226.63 and 2,815.44 is: 3,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.13 : 4,226.63 = 2,815.44 : x
  2. Step 2: Convert to fraction form
    3,065.13/4,226.63 = 2,815.44/x
  3. Step 3: Cross multiply
    3,065.13x = 4,226.63 × 2,815.44
  4. Step 4: Simplify right side
    3,065.13x = 11,899,809.09
  5. Step 5: Solve for x
    x = 11,899,809.09/3,065.13
  6. Step 6: Final answer
    x = 3,882.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.