Home / 1,676.32-2,313.24-968.12

Finding the Fourth Proportional to 1,676.32, 2,313.24 and 968.12

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Solution

The fourth proportional to 1,676.32, 2,313.24 and 968.12 is: 1,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.32 : 2,313.24 = 968.12 : x
  2. Step 2: Convert to fraction form
    1,676.32/2,313.24 = 968.12/x
  3. Step 3: Cross multiply
    1,676.32x = 2,313.24 × 968.12
  4. Step 4: Simplify right side
    1,676.32x = 2,239,493.91
  5. Step 5: Solve for x
    x = 2,239,493.91/1,676.32
  6. Step 6: Final answer
    x = 1,335.96

Related Problems

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Half scale
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Double scale
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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.