Home / 3,631.54-5,443.62-1,439.08

Finding the Fourth Proportional to 3,631.54, 5,443.62 and 1,439.08

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Solution

The fourth proportional to 3,631.54, 5,443.62 and 1,439.08 is: 2,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.54 : 5,443.62 = 1,439.08 : x
  2. Step 2: Convert to fraction form
    3,631.54/5,443.62 = 1,439.08/x
  3. Step 3: Cross multiply
    3,631.54x = 5,443.62 × 1,439.08
  4. Step 4: Simplify right side
    3,631.54x = 7,833,804.67
  5. Step 5: Solve for x
    x = 7,833,804.67/3,631.54
  6. Step 6: Final answer
    x = 2,157.16

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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.