Home / 1,676.49-2,313.58-1,013.79

Finding the Fourth Proportional to 1,676.49, 2,313.58 and 1,013.79

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Solution

The fourth proportional to 1,676.49, 2,313.58 and 1,013.79 is: 1,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.49 : 2,313.58 = 1,013.79 : x
  2. Step 2: Convert to fraction form
    1,676.49/2,313.58 = 1,013.79/x
  3. Step 3: Cross multiply
    1,676.49x = 2,313.58 × 1,013.79
  4. Step 4: Simplify right side
    1,676.49x = 2,345,473.42
  5. Step 5: Solve for x
    x = 2,345,473.42/1,676.49
  6. Step 6: Final answer
    x = 1,399.04

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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.