Home / 1,676.46-2,313.66-1,013.49

Finding the Fourth Proportional to 1,676.46, 2,313.66 and 1,013.49

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Solution

The fourth proportional to 1,676.46, 2,313.66 and 1,013.49 is: 1,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.46 : 2,313.66 = 1,013.49 : x
  2. Step 2: Convert to fraction form
    1,676.46/2,313.66 = 1,013.49/x
  3. Step 3: Cross multiply
    1,676.46x = 2,313.66 × 1,013.49
  4. Step 4: Simplify right side
    1,676.46x = 2,344,871.27
  5. Step 5: Solve for x
    x = 2,344,871.27/1,676.46
  6. Step 6: Final answer
    x = 1,398.70

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1.5x scale

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.