Home / 3,349.30-4,622.34-1,933.42

Finding the Fourth Proportional to 3,349.30, 4,622.34 and 1,933.42

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Solution

The fourth proportional to 3,349.30, 4,622.34 and 1,933.42 is: 2,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.30 : 4,622.34 = 1,933.42 : x
  2. Step 2: Convert to fraction form
    3,349.30/4,622.34 = 1,933.42/x
  3. Step 3: Cross multiply
    3,349.30x = 4,622.34 × 1,933.42
  4. Step 4: Simplify right side
    3,349.30x = 8,936,924.60
  5. Step 5: Solve for x
    x = 8,936,924.60/3,349.30
  6. Step 6: Final answer
    x = 2,668.30

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Half scale
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Double scale
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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.