Home / 3,288.72-4,538.36-1,796.64

Finding the Fourth Proportional to 3,288.72, 4,538.36 and 1,796.64

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Solution

The fourth proportional to 3,288.72, 4,538.36 and 1,796.64 is: 2,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.72 : 4,538.36 = 1,796.64 : x
  2. Step 2: Convert to fraction form
    3,288.72/4,538.36 = 1,796.64/x
  3. Step 3: Cross multiply
    3,288.72x = 4,538.36 × 1,796.64
  4. Step 4: Simplify right side
    3,288.72x = 8,153,799.11
  5. Step 5: Solve for x
    x = 8,153,799.11/3,288.72
  6. Step 6: Final answer
    x = 2,479.32

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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.