Home / 3,316.40-4,965.96-1,769.84

Finding the Fourth Proportional to 3,316.40, 4,965.96 and 1,769.84

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Solution

The fourth proportional to 3,316.40, 4,965.96 and 1,769.84 is: 2,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.40 : 4,965.96 = 1,769.84 : x
  2. Step 2: Convert to fraction form
    3,316.40/4,965.96 = 1,769.84/x
  3. Step 3: Cross multiply
    3,316.40x = 4,965.96 × 1,769.84
  4. Step 4: Simplify right side
    3,316.40x = 8,788,954.65
  5. Step 5: Solve for x
    x = 8,788,954.65/3,316.40
  6. Step 6: Final answer
    x = 2,650.15

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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.