Home / 3,618.12-5,422.84-2,369.32

Finding the Fourth Proportional to 3,618.12, 5,422.84 and 2,369.32

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Solution

The fourth proportional to 3,618.12, 5,422.84 and 2,369.32 is: 3,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.12 : 5,422.84 = 2,369.32 : x
  2. Step 2: Convert to fraction form
    3,618.12/5,422.84 = 2,369.32/x
  3. Step 3: Cross multiply
    3,618.12x = 5,422.84 × 2,369.32
  4. Step 4: Simplify right side
    3,618.12x = 12,848,443.27
  5. Step 5: Solve for x
    x = 12,848,443.27/3,618.12
  6. Step 6: Final answer
    x = 3,551.14

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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.