Home / 3,776.60-5,201.93-2,640.26

Finding the Fourth Proportional to 3,776.60, 5,201.93 and 2,640.26

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Solution

The fourth proportional to 3,776.60, 5,201.93 and 2,640.26 is: 3,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.60 : 5,201.93 = 2,640.26 : x
  2. Step 2: Convert to fraction form
    3,776.60/5,201.93 = 2,640.26/x
  3. Step 3: Cross multiply
    3,776.60x = 5,201.93 × 2,640.26
  4. Step 4: Simplify right side
    3,776.60x = 13,734,408.49
  5. Step 5: Solve for x
    x = 13,734,408.49/3,776.60
  6. Step 6: Final answer
    x = 3,636.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.