Home / 3,577.28-5,367.12-1,628.84

Finding the Fourth Proportional to 3,577.28, 5,367.12 and 1,628.84

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Solution

The fourth proportional to 3,577.28, 5,367.12 and 1,628.84 is: 2,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.28 : 5,367.12 = 1,628.84 : x
  2. Step 2: Convert to fraction form
    3,577.28/5,367.12 = 1,628.84/x
  3. Step 3: Cross multiply
    3,577.28x = 5,367.12 × 1,628.84
  4. Step 4: Simplify right side
    3,577.28x = 8,742,179.74
  5. Step 5: Solve for x
    x = 8,742,179.74/3,577.28
  6. Step 6: Final answer
    x = 2,443.81

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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.