Home / 3,297.39-4,555.34-2,165.75

Finding the Fourth Proportional to 3,297.39, 4,555.34 and 2,165.75

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Solution

The fourth proportional to 3,297.39, 4,555.34 and 2,165.75 is: 2,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.39 : 4,555.34 = 2,165.75 : x
  2. Step 2: Convert to fraction form
    3,297.39/4,555.34 = 2,165.75/x
  3. Step 3: Cross multiply
    3,297.39x = 4,555.34 × 2,165.75
  4. Step 4: Simplify right side
    3,297.39x = 9,865,727.61
  5. Step 5: Solve for x
    x = 9,865,727.61/3,297.39
  6. Step 6: Final answer
    x = 2,991.98

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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.