Home / 2,845.28-3,924.24-1,797.68

Finding the Fourth Proportional to 2,845.28, 3,924.24 and 1,797.68

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Solution

The fourth proportional to 2,845.28, 3,924.24 and 1,797.68 is: 2,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.28 : 3,924.24 = 1,797.68 : x
  2. Step 2: Convert to fraction form
    2,845.28/3,924.24 = 1,797.68/x
  3. Step 3: Cross multiply
    2,845.28x = 3,924.24 × 1,797.68
  4. Step 4: Simplify right side
    2,845.28x = 7,054,527.76
  5. Step 5: Solve for x
    x = 7,054,527.76/2,845.28
  6. Step 6: Final answer
    x = 2,479.38

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Half scale
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Double scale
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Similar ratio
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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.