Home / 3,631.48-5,015.94-2,635.16

Finding the Fourth Proportional to 3,631.48, 5,015.94 and 2,635.16

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Solution

The fourth proportional to 3,631.48, 5,015.94 and 2,635.16 is: 3,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.48 : 5,015.94 = 2,635.16 : x
  2. Step 2: Convert to fraction form
    3,631.48/5,015.94 = 2,635.16/x
  3. Step 3: Cross multiply
    3,631.48x = 5,015.94 × 2,635.16
  4. Step 4: Simplify right side
    3,631.48x = 13,217,804.45
  5. Step 5: Solve for x
    x = 13,217,804.45/3,631.48
  6. Step 6: Final answer
    x = 3,639.78

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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.