Home / 3,584.11-5,374.08-1,390.28

Finding the Fourth Proportional to 3,584.11, 5,374.08 and 1,390.28

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Solution

The fourth proportional to 3,584.11, 5,374.08 and 1,390.28 is: 2,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.11 : 5,374.08 = 1,390.28 : x
  2. Step 2: Convert to fraction form
    3,584.11/5,374.08 = 1,390.28/x
  3. Step 3: Cross multiply
    3,584.11x = 5,374.08 × 1,390.28
  4. Step 4: Simplify right side
    3,584.11x = 7,471,475.94
  5. Step 5: Solve for x
    x = 7,471,475.94/3,584.11
  6. Step 6: Final answer
    x = 2,084.61

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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.