Home / 1,676.54-2,313.61-1,013.39

Finding the Fourth Proportional to 1,676.54, 2,313.61 and 1,013.39

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Solution

The fourth proportional to 1,676.54, 2,313.61 and 1,013.39 is: 1,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.54 : 2,313.61 = 1,013.39 : x
  2. Step 2: Convert to fraction form
    1,676.54/2,313.61 = 1,013.39/x
  3. Step 3: Cross multiply
    1,676.54x = 2,313.61 × 1,013.39
  4. Step 4: Simplify right side
    1,676.54x = 2,344,589.24
  5. Step 5: Solve for x
    x = 2,344,589.24/1,676.54
  6. Step 6: Final answer
    x = 1,398.47

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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.