Home / 3,288.06-4,538.16-2,169.72

Finding the Fourth Proportional to 3,288.06, 4,538.16 and 2,169.72

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Solution

The fourth proportional to 3,288.06, 4,538.16 and 2,169.72 is: 2,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.06 : 4,538.16 = 2,169.72 : x
  2. Step 2: Convert to fraction form
    3,288.06/4,538.16 = 2,169.72/x
  3. Step 3: Cross multiply
    3,288.06x = 4,538.16 × 2,169.72
  4. Step 4: Simplify right side
    3,288.06x = 9,846,536.52
  5. Step 5: Solve for x
    x = 9,846,536.52/3,288.06
  6. Step 6: Final answer
    x = 2,994.63

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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.