Home / 3,997.04-5,516.40-2,425.60

Finding the Fourth Proportional to 3,997.04, 5,516.40 and 2,425.60

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Solution

The fourth proportional to 3,997.04, 5,516.40 and 2,425.60 is: 3,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.04 : 5,516.40 = 2,425.60 : x
  2. Step 2: Convert to fraction form
    3,997.04/5,516.40 = 2,425.60/x
  3. Step 3: Cross multiply
    3,997.04x = 5,516.40 × 2,425.60
  4. Step 4: Simplify right side
    3,997.04x = 13,380,579.84
  5. Step 5: Solve for x
    x = 13,380,579.84/3,997.04
  6. Step 6: Final answer
    x = 3,347.62

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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.