Home / 3,391.35-5,087.08-926.37

Finding the Fourth Proportional to 3,391.35, 5,087.08 and 926.37

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Solution

The fourth proportional to 3,391.35, 5,087.08 and 926.37 is: 1,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.35 : 5,087.08 = 926.37 : x
  2. Step 2: Convert to fraction form
    3,391.35/5,087.08 = 926.37/x
  3. Step 3: Cross multiply
    3,391.35x = 5,087.08 × 926.37
  4. Step 4: Simplify right side
    3,391.35x = 4,712,515.98
  5. Step 5: Solve for x
    x = 4,712,515.98/3,391.35
  6. Step 6: Final answer
    x = 1,389.57

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1.5x scale

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.