Home / 3,381.72-5,072.67-1,626.45

Finding the Fourth Proportional to 3,381.72, 5,072.67 and 1,626.45

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Solution

The fourth proportional to 3,381.72, 5,072.67 and 1,626.45 is: 2,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.72 : 5,072.67 = 1,626.45 : x
  2. Step 2: Convert to fraction form
    3,381.72/5,072.67 = 1,626.45/x
  3. Step 3: Cross multiply
    3,381.72x = 5,072.67 × 1,626.45
  4. Step 4: Simplify right side
    3,381.72x = 8,250,444.12
  5. Step 5: Solve for x
    x = 8,250,444.12/3,381.72
  6. Step 6: Final answer
    x = 2,439.72

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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.