Home / 3,288.79-4,538.40-1,796.69

Finding the Fourth Proportional to 3,288.79, 4,538.40 and 1,796.69

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Solution

The fourth proportional to 3,288.79, 4,538.40 and 1,796.69 is: 2,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.79 : 4,538.40 = 1,796.69 : x
  2. Step 2: Convert to fraction form
    3,288.79/4,538.40 = 1,796.69/x
  3. Step 3: Cross multiply
    3,288.79x = 4,538.40 × 1,796.69
  4. Step 4: Simplify right side
    3,288.79x = 8,154,097.90
  5. Step 5: Solve for x
    x = 8,154,097.90/3,288.79
  6. Step 6: Final answer
    x = 2,479.36

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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.