Home / 3,996.08-5,513-2,579.60

Finding the Fourth Proportional to 3,996.08, 5,513 and 2,579.60

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Solution

The fourth proportional to 3,996.08, 5,513 and 2,579.60 is: 3,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.08 : 5,513 = 2,579.60 : x
  2. Step 2: Convert to fraction form
    3,996.08/5,513 = 2,579.60/x
  3. Step 3: Cross multiply
    3,996.08x = 5,513 × 2,579.60
  4. Step 4: Simplify right side
    3,996.08x = 14,221,334.80
  5. Step 5: Solve for x
    x = 14,221,334.80/3,996.08
  6. Step 6: Final answer
    x = 3,558.82

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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.