Home / 3,661.64-5,487.60-2,102.12

Finding the Fourth Proportional to 3,661.64, 5,487.60 and 2,102.12

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Solution

The fourth proportional to 3,661.64, 5,487.60 and 2,102.12 is: 3,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.64 : 5,487.60 = 2,102.12 : x
  2. Step 2: Convert to fraction form
    3,661.64/5,487.60 = 2,102.12/x
  3. Step 3: Cross multiply
    3,661.64x = 5,487.60 × 2,102.12
  4. Step 4: Simplify right side
    3,661.64x = 11,535,593.71
  5. Step 5: Solve for x
    x = 11,535,593.71/3,661.64
  6. Step 6: Final answer
    x = 3,150.39

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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.