Home / 3,215.57-4,432.73-2,268.27

Finding the Fourth Proportional to 3,215.57, 4,432.73 and 2,268.27

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Solution

The fourth proportional to 3,215.57, 4,432.73 and 2,268.27 is: 3,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.57 : 4,432.73 = 2,268.27 : x
  2. Step 2: Convert to fraction form
    3,215.57/4,432.73 = 2,268.27/x
  3. Step 3: Cross multiply
    3,215.57x = 4,432.73 × 2,268.27
  4. Step 4: Simplify right side
    3,215.57x = 10,054,617.14
  5. Step 5: Solve for x
    x = 10,054,617.14/3,215.57
  6. Step 6: Final answer
    x = 3,126.86

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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.