Home / 1,213.83-1,820.75-336.34

Finding the Fourth Proportional to 1,213.83, 1,820.75 and 336.34

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Solution

The fourth proportional to 1,213.83, 1,820.75 and 336.34 is: 504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213.83 : 1,820.75 = 336.34 : x
  2. Step 2: Convert to fraction form
    1,213.83/1,820.75 = 336.34/x
  3. Step 3: Cross multiply
    1,213.83x = 1,820.75 × 336.34
  4. Step 4: Simplify right side
    1,213.83x = 612,391.06
  5. Step 5: Solve for x
    x = 612,391.06/1,213.83
  6. Step 6: Final answer
    x = 504.51

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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.