Home / 3,487.52-5,233.61-1,928.68

Finding the Fourth Proportional to 3,487.52, 5,233.61 and 1,928.68

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Solution

The fourth proportional to 3,487.52, 5,233.61 and 1,928.68 is: 2,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.52 : 5,233.61 = 1,928.68 : x
  2. Step 2: Convert to fraction form
    3,487.52/5,233.61 = 1,928.68/x
  3. Step 3: Cross multiply
    3,487.52x = 5,233.61 × 1,928.68
  4. Step 4: Simplify right side
    3,487.52x = 10,093,950.67
  5. Step 5: Solve for x
    x = 10,093,950.67/3,487.52
  6. Step 6: Final answer
    x = 2,894.30

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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.