Home / 3,722.30-5,584.08-1,257.14

Finding the Fourth Proportional to 3,722.30, 5,584.08 and 1,257.14

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Solution

The fourth proportional to 3,722.30, 5,584.08 and 1,257.14 is: 1,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.30 : 5,584.08 = 1,257.14 : x
  2. Step 2: Convert to fraction form
    3,722.30/5,584.08 = 1,257.14/x
  3. Step 3: Cross multiply
    3,722.30x = 5,584.08 × 1,257.14
  4. Step 4: Simplify right side
    3,722.30x = 7,019,970.33
  5. Step 5: Solve for x
    x = 7,019,970.33/3,722.30
  6. Step 6: Final answer
    x = 1,885.92

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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.