Home / 3,640.72-5,461.08-2,252.38

Finding the Fourth Proportional to 3,640.72, 5,461.08 and 2,252.38

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Solution

The fourth proportional to 3,640.72, 5,461.08 and 2,252.38 is: 3,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.72 : 5,461.08 = 2,252.38 : x
  2. Step 2: Convert to fraction form
    3,640.72/5,461.08 = 2,252.38/x
  3. Step 3: Cross multiply
    3,640.72x = 5,461.08 × 2,252.38
  4. Step 4: Simplify right side
    3,640.72x = 12,300,427.37
  5. Step 5: Solve for x
    x = 12,300,427.37/3,640.72
  6. Step 6: Final answer
    x = 3,378.57

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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.