Home / 3,392.28-5,088.35-1,659.69

Finding the Fourth Proportional to 3,392.28, 5,088.35 and 1,659.69

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Solution

The fourth proportional to 3,392.28, 5,088.35 and 1,659.69 is: 2,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.28 : 5,088.35 = 1,659.69 : x
  2. Step 2: Convert to fraction form
    3,392.28/5,088.35 = 1,659.69/x
  3. Step 3: Cross multiply
    3,392.28x = 5,088.35 × 1,659.69
  4. Step 4: Simplify right side
    3,392.28x = 8,445,087.76
  5. Step 5: Solve for x
    x = 8,445,087.76/3,392.28
  6. Step 6: Final answer
    x = 2,489.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.