Home / 3,626.72-5,440.88-1,127.92

Finding the Fourth Proportional to 3,626.72, 5,440.88 and 1,127.92

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Solution

The fourth proportional to 3,626.72, 5,440.88 and 1,127.92 is: 1,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.72 : 5,440.88 = 1,127.92 : x
  2. Step 2: Convert to fraction form
    3,626.72/5,440.88 = 1,127.92/x
  3. Step 3: Cross multiply
    3,626.72x = 5,440.88 × 1,127.92
  4. Step 4: Simplify right side
    3,626.72x = 6,136,877.37
  5. Step 5: Solve for x
    x = 6,136,877.37/3,626.72
  6. Step 6: Final answer
    x = 1,692.13

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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.