Home / 3,261.28-4,887.12-2,569.64

Finding the Fourth Proportional to 3,261.28, 4,887.12 and 2,569.64

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Solution

The fourth proportional to 3,261.28, 4,887.12 and 2,569.64 is: 3,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.28 : 4,887.12 = 2,569.64 : x
  2. Step 2: Convert to fraction form
    3,261.28/4,887.12 = 2,569.64/x
  3. Step 3: Cross multiply
    3,261.28x = 4,887.12 × 2,569.64
  4. Step 4: Simplify right side
    3,261.28x = 12,558,139.04
  5. Step 5: Solve for x
    x = 12,558,139.04/3,261.28
  6. Step 6: Final answer
    x = 3,850.68

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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.