Home / 2,964.56-4,090.64-1,769.18

Finding the Fourth Proportional to 2,964.56, 4,090.64 and 1,769.18

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Solution

The fourth proportional to 2,964.56, 4,090.64 and 1,769.18 is: 2,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.56 : 4,090.64 = 1,769.18 : x
  2. Step 2: Convert to fraction form
    2,964.56/4,090.64 = 1,769.18/x
  3. Step 3: Cross multiply
    2,964.56x = 4,090.64 × 1,769.18
  4. Step 4: Simplify right side
    2,964.56x = 7,237,049.18
  5. Step 5: Solve for x
    x = 7,237,049.18/2,964.56
  6. Step 6: Final answer
    x = 2,441.19

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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.