Home / 4,141.89-6,212.94-1,220.30

Finding the Fourth Proportional to 4,141.89, 6,212.94 and 1,220.30

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Solution

The fourth proportional to 4,141.89, 6,212.94 and 1,220.30 is: 1,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.89 : 6,212.94 = 1,220.30 : x
  2. Step 2: Convert to fraction form
    4,141.89/6,212.94 = 1,220.30/x
  3. Step 3: Cross multiply
    4,141.89x = 6,212.94 × 1,220.30
  4. Step 4: Simplify right side
    4,141.89x = 7,581,619.62
  5. Step 5: Solve for x
    x = 7,581,619.62/4,141.89
  6. Step 6: Final answer
    x = 1,830.47

Related Problems

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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.