Home / 3,528.91-5,293.62-1,188.90

Finding the Fourth Proportional to 3,528.91, 5,293.62 and 1,188.90

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Solution

The fourth proportional to 3,528.91, 5,293.62 and 1,188.90 is: 1,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.91 : 5,293.62 = 1,188.90 : x
  2. Step 2: Convert to fraction form
    3,528.91/5,293.62 = 1,188.90/x
  3. Step 3: Cross multiply
    3,528.91x = 5,293.62 × 1,188.90
  4. Step 4: Simplify right side
    3,528.91x = 6,293,584.82
  5. Step 5: Solve for x
    x = 6,293,584.82/3,528.91
  6. Step 6: Final answer
    x = 1,783.44

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Double scale
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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.