Home / 1,676.47-2,313.63-968.44

Finding the Fourth Proportional to 1,676.47, 2,313.63 and 968.44

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Solution

The fourth proportional to 1,676.47, 2,313.63 and 968.44 is: 1,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.47 : 2,313.63 = 968.44 : x
  2. Step 2: Convert to fraction form
    1,676.47/2,313.63 = 968.44/x
  3. Step 3: Cross multiply
    1,676.47x = 2,313.63 × 968.44
  4. Step 4: Simplify right side
    1,676.47x = 2,240,611.84
  5. Step 5: Solve for x
    x = 2,240,611.84/1,676.47
  6. Step 6: Final answer
    x = 1,336.51

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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.