Home / 3,640.95-5,463.45-2,255.04

Finding the Fourth Proportional to 3,640.95, 5,463.45 and 2,255.04

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Solution

The fourth proportional to 3,640.95, 5,463.45 and 2,255.04 is: 3,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.95 : 5,463.45 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    3,640.95/5,463.45 = 2,255.04/x
  3. Step 3: Cross multiply
    3,640.95x = 5,463.45 × 2,255.04
  4. Step 4: Simplify right side
    3,640.95x = 12,320,298.29
  5. Step 5: Solve for x
    x = 12,320,298.29/3,640.95
  6. Step 6: Final answer
    x = 3,383.81

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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.