Home / 3,297.76-4,548.72-2,120.32

Finding the Fourth Proportional to 3,297.76, 4,548.72 and 2,120.32

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Solution

The fourth proportional to 3,297.76, 4,548.72 and 2,120.32 is: 2,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.76 : 4,548.72 = 2,120.32 : x
  2. Step 2: Convert to fraction form
    3,297.76/4,548.72 = 2,120.32/x
  3. Step 3: Cross multiply
    3,297.76x = 4,548.72 × 2,120.32
  4. Step 4: Simplify right side
    3,297.76x = 9,644,741.99
  5. Step 5: Solve for x
    x = 9,644,741.99/3,297.76
  6. Step 6: Final answer
    x = 2,924.63

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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.