Home / 3,631.40-4,999.05-3,258.26

Finding the Fourth Proportional to 3,631.40, 4,999.05 and 3,258.26

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Solution

The fourth proportional to 3,631.40, 4,999.05 and 3,258.26 is: 4,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.40 : 4,999.05 = 3,258.26 : x
  2. Step 2: Convert to fraction form
    3,631.40/4,999.05 = 3,258.26/x
  3. Step 3: Cross multiply
    3,631.40x = 4,999.05 × 3,258.26
  4. Step 4: Simplify right side
    3,631.40x = 16,288,204.65
  5. Step 5: Solve for x
    x = 16,288,204.65/3,631.40
  6. Step 6: Final answer
    x = 4,485.38

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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.