Home / 3,626.64-5,003.60-2,135.08

Finding the Fourth Proportional to 3,626.64, 5,003.60 and 2,135.08

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Solution

The fourth proportional to 3,626.64, 5,003.60 and 2,135.08 is: 2,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.64 : 5,003.60 = 2,135.08 : x
  2. Step 2: Convert to fraction form
    3,626.64/5,003.60 = 2,135.08/x
  3. Step 3: Cross multiply
    3,626.64x = 5,003.60 × 2,135.08
  4. Step 4: Simplify right side
    3,626.64x = 10,683,086.29
  5. Step 5: Solve for x
    x = 10,683,086.29/3,626.64
  6. Step 6: Final answer
    x = 2,945.73

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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.