Home / 3,628.60-5,437.86-1,676.68

Finding the Fourth Proportional to 3,628.60, 5,437.86 and 1,676.68

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Solution

The fourth proportional to 3,628.60, 5,437.86 and 1,676.68 is: 2,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.60 : 5,437.86 = 1,676.68 : x
  2. Step 2: Convert to fraction form
    3,628.60/5,437.86 = 1,676.68/x
  3. Step 3: Cross multiply
    3,628.60x = 5,437.86 × 1,676.68
  4. Step 4: Simplify right side
    3,628.60x = 9,117,551.10
  5. Step 5: Solve for x
    x = 9,117,551.10/3,628.60
  6. Step 6: Final answer
    x = 2,512.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.