Home / 3,640.90-5,462.94-2,607.54

Finding the Fourth Proportional to 3,640.90, 5,462.94 and 2,607.54

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Solution

The fourth proportional to 3,640.90, 5,462.94 and 2,607.54 is: 3,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.90 : 5,462.94 = 2,607.54 : x
  2. Step 2: Convert to fraction form
    3,640.90/5,462.94 = 2,607.54/x
  3. Step 3: Cross multiply
    3,640.90x = 5,462.94 × 2,607.54
  4. Step 4: Simplify right side
    3,640.90x = 14,244,854.59
  5. Step 5: Solve for x
    x = 14,244,854.59/3,640.90
  6. Step 6: Final answer
    x = 3,912.45

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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.