Home / 3,765.31-5,649.68-1,685.14

Finding the Fourth Proportional to 3,765.31, 5,649.68 and 1,685.14

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Solution

The fourth proportional to 3,765.31, 5,649.68 and 1,685.14 is: 2,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.31 : 5,649.68 = 1,685.14 : x
  2. Step 2: Convert to fraction form
    3,765.31/5,649.68 = 1,685.14/x
  3. Step 3: Cross multiply
    3,765.31x = 5,649.68 × 1,685.14
  4. Step 4: Simplify right side
    3,765.31x = 9,520,491.84
  5. Step 5: Solve for x
    x = 9,520,491.84/3,765.31
  6. Step 6: Final answer
    x = 2,528.48

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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.