Home / 3,581.08-4,936.71-2,515.60

Finding the Fourth Proportional to 3,581.08, 4,936.71 and 2,515.60

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Solution

The fourth proportional to 3,581.08, 4,936.71 and 2,515.60 is: 3,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.08 : 4,936.71 = 2,515.60 : x
  2. Step 2: Convert to fraction form
    3,581.08/4,936.71 = 2,515.60/x
  3. Step 3: Cross multiply
    3,581.08x = 4,936.71 × 2,515.60
  4. Step 4: Simplify right side
    3,581.08x = 12,418,787.68
  5. Step 5: Solve for x
    x = 12,418,787.68/3,581.08
  6. Step 6: Final answer
    x = 3,467.89

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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.